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First round of new device support, features and cleanups for IIO in the 4.11 cycle.

It's shaping to be another fairly busy cycle. Lots more on the way!

New device support
* ads7950
  - new driver supporting ads7950, ads7951, ads7952, ads7953, ads7954,
  ads7955, ads7956, ads7957, ads7958, ads7959, ads7960, and ads7961 ADCs.
* cm3605
  - New driver for this light sensor and proximity sensor  which is an
  analog part with some additional digital controls.
* hx711
  - New driver.

Core new stuff
* Gravity sensor type.  This is a processed datastream in which the device
will try to work out which way is down.
* Split the buffer.h file into two parts. One provides the interface to 'use'
a buffer, the second provides the internals of the buffer functionality as
needed by implementations of buffers.
  - Move documentation inline so as to allow use of private: tag when
  generating documentation.
  - Add some utility functions for the few things that are directly done
  with the buffers.
  - Stop exporting functions that no-one uses outside of the core code.
  - Push docs down by the code in the c file where they should have always
  been.
  - Fix typo in kernel-doc for buffer.
  - push down some includes that were previously happening implicitly.
  - stop enabling the timestamp of the dummy device.

Features and cleanups
* ad5592r
  - ACPI support
* ad5593r
  -ACPI support.
* ad5933
  - Fix a false comment about size of a particular register.
* ad7150
  - replace S_IRUGO | S_IWUSR with 0644.  I'm not that keen on these patches
  in general, but as it was nicely presented I took this one anyway. As a
  general rule will only take these as part of a larger driver cleanup.
  - don't eat an error but rather reutnr it in the write_event_config callback.
* ad7606
  - replace non standard range attibute with _scale
* ade7753
  - use usleep_range for short sleeps
* ade7754
  - use usleep_range for short sleeps
* ade7758
  - use usleep_range for short sleeps
* ade7759
  - use usleep_range for short sleeps
* ade7854
  - use usleep_range for short sleeps
* adis16201
  - fix description
* adis16203
  - fix description
  - fix copyright year
* adis16209
  - fix description
* adt7316
  - Add braces to arms of if else statement (for consistency)
  - Alignment fixes.
* axp288
  - Fix up an issue with accidental overwrites of data.
* bmi160
  - add deivce tables for i2c and spi to support correctly identifying the
  full dt name (including manufacturer).
  - device tree binding.
* bmp280
  - use usleep_range for short sleeps.
* cm3232
  - return error from cm3232_reg_init rather than eating it if the last write
  fails.
* dummy driver
  - remove a semicolor found at end of a function defintition.
* exynos-adc
  - use usleep_range for short sleeps.
* hid-sensor (accel)
  - Add timestamp support.  The hardware can provide timestamps so lets support
  them. If not fall back to timestamps estimated in kernel.
* hid-sensor (light)
  - Add a duplicate ID for the light channels so as to keep existing interface
  whilst also using the more standard IIO interface.
* hts221
  - acpi probing
* imx25-gcq
  - Add a macro call to allow this driver to be automatically loaded.
* isl29028
  - reorganise code to avoid deep nesting of if statements.
  - move chip test and default regs into a function suitable or sharing with
  power management code.
  - tidy up some code alignment.
* lidar-lite-v3
  - introduce compatible strings that make it clear Garmin have consideral
  friends.
* mma8452
  - avoid returning signed value when unsigned is appropriate
* spmi-vadc
  - Update function for generic voltage conversion to take into account that
  different channels on this device should be handled differently.
  - Rework code to allow per channel voltage scaling and support the standard
  options for this hardware.
  - Fixup three minor issues with the above patches for this part. These all
  effect test builds rather than the native builds for the part, but good to
  clean them up anyway.
* st_sensors
  - support device matching from the ACPI DST tables.
  - acpi based probing for accelerometers
  - acpi based probing for pressure sensors
  - Allow pressure sensors to read negative values.
  - Export sampling frequency for lps25h and lps331ap.
  - Add support for the old DT bindings from the period when these deivces
  were often supported through windows.

Docs fixup:
* typo in sysfs-bus-iio

ASoC: Fixes for v4.10

As well as the usual smattering of driver specific fixes collected since
the merge window this has one particularly important fix to the core for
handling of aux_devs which was broken during the merge window by some of
the componentization refactoring.

Allwinner fixes for 4.10

A few fixes here and there to enable the build of some DT leftover, prevent
display issues or setup a proper muxing.

wireless-drivers fixes for 4.10

Only two fixes at this time. The rtlwifi fix is an important one as it
fixes a reported oops and Linus was already asking about it. The
orinoco fix is not tested on a real device, because it's old legacy
hardware and hardly no-one use it, but it should fix a (theoretical)
issue with VMAP_STACK.

GPIO fixes for the v4.10 series:

- Move free:ing of GPIO hogs to after free:ing the device
  to get rid of a warning state.

- A small comile warning fix.

More 4.11 stuff, holidays edition (i.e. not much):

- docs and cleanups for shared dpll code (Ander)
- some kerneldoc work (Chris)
- fbc by default on gen9+ too, yeah! (Paulo)
- fixes, polish and other small things all over gem code (Chris)
- and a few small things on top

Plus a backmerge, because Dave was enjoying time off too.

This is the 4.9.2 stable release

This is the 4.8.17 stable release

This is the 4.4.41 stable release

amdgpu, radeon, msm, meson, tilcdc, drm fixes.

Linux 4.10-rc3

sound fixes for 4.10-rc3

Nothing particular stands out, only a few small fixes for USB-audio,
HD-audio and Firewire.  The USB-audio fix is the respin of the
previous race fix after a revert due to the regression.

IOMMU Fixes for Linux v4.10-rc2

Three fixes queued up:

	* Fix an issue with command buffer overflow handling in the AMD
	  IOMMU driver

	* Add an additional context entry flush to the Intel VT-d driver
	  to make sure any old context entry from kdump copying is
	  flushed out of the cache

	* Correct the encoding of the PASID table size in the Intel VT-d
	  driver

ACPI fixes for v4.10-rc3

 - Fix a device enumeration issue leading to incorrect associations
   between ACPI device objects and platform device objects representing
   physical devices if the given device object has both _ADR and _HID
   (Rafael Wysocki).

 - Avoid passing NULL to acpi_put_table() during IOMMU initialization
   which triggers a (rightful) warning from ACPICA (Rafael Wysocki).

 - Drop an excessive call to acpi_dma_deconfigure() from the core
   code that binds ACPI device objects to device objects representing
   physical devices (Lorenzo Pieralisi).

 - Update an error message in the ACPI WDAT watchdog driver to make it
   provide more useful information (Mika Westerberg).

 - Add a mechanism to work around issues with unhandled GPE notifications
   that occur during system initialization and cannot be prevented by
   means of sysfs (Lv Zheng).

Power management fixes for v4.10-rc3

 - Fix a few intel_pstate driver issues: add missing locking it two places,
   avoid exposing a useless debugfs interface and keep the attribute
   values in sysfs in sync (Rafael Wysocki).

 - Drop confusing kernel-doc references related to power management and
   ACPI from the driver API manual (Rafael Wysocki).

 - Make a false-positive compiler warning in the generic power domains
   framework go away (Augusto Mecking Caringi).

 - Fix two initialization issues in the devfreq subsystem and update
   the MAINTAINERS entry for it (Chanwoo Choi).

 - Add a new "compatible" string for APM X-Gene 2 to the generic DT
   cpufreq driver (Hoan Tran).

Another single fix, to correctly handle destruction of a
single netlink socket having ownership of multiple objects
(scheduled scan requests and interfaces.)

This is the 4.8.16 stable release