ACPI updates for 5.1-rc1 - Update the ACPICA code in the kernel to upstream revision 20190215 including ACPI 6.3 support and more: * New predefined methods: _NBS, _NCH, _NIC, _NIH, and _NIG (Erik Schmauss). * Update of the PCC Identifier structure in PDTT (Erik Schmauss). * Support for new Generic Affinity Structure subtable in SRAT (Erik Schmauss). * New PCC operation region support (Erik Schmauss). * Support for GICC statistical profiling for MADT (Erik Schmauss). * New Error Disconnect Recover notification support (Erik Schmauss). * New PPTT Processor Structure Flags fields support (Erik Schmauss). * ACPI 6.3 HMAT updates (Erik Schmauss). * GTDT Revision 3 support (Erik Schmauss). * Legacy module-level code (MLC) support removal (Erik Schmauss). * Update/clarification of messages for control method failures (Bob Moore). * Warning on creation of a zero-length opregion (Bob Moore). * acpiexec option to dump extra info for memory leaks (Bob Moore). * More ACPI error to firmware error conversions (Bob Moore). * Debugger fix (Bob Moore). * Copyrights update (Bob Moore). - Clean up sleep states support code in ACPICA (Christoph Hellwig). - Rework in_nmi() handling in the APEI code and add suppor for the ARM Software Delegated Exception Interface (SDEI) to it (James Morse). - Fix possible out-of-bounds accesses in BERT-related core (Ross Lagerwall). - Fix the APEI code parsing HEST that includes a Deferred Machine Check subtable (Yazen Ghannam). - Use DEFINE_DEBUGFS_ATTRIBUTE for APEI-related debugfs files (YueHaibing). - Switch the APEI ERST code to the new generic UUID API (Andy Shevchenko). - Update the MAINTAINERS entry for APEI (Borislav Petkov). - Fix and clean up the ACPI EC driver (Rafael Wysocki, Zhang Rui). - Fix DMI checks handling in the ACPI backlight driver and add the "Lunch Box" chassis-type check to it (Hans de Goede). - Add support for using ACPI table overrides included in built-in initrd images (Shunyong Yang). - Update ACPI device enumeration to treat the PWM2 device as "always present" on Lenovo Yoga Book (Yauhen Kharuzhy). - Fix up the enumeration of device objects with the PRP0001 device ID (Andy Shevchenko). - Clean up PPTT parsing error messages (John Garry). - Clean up debugfs files creation handling (Greg Kroah-Hartman, Rafael Wysocki). - Clean up the ACPI DPTF Makefile (Masahiro Yamada).