Additional ACPI updates for 5.7-rc1 - Update the ACPICA code in the kernel to upstream revision 20200326 including: * Fix for a typo in a comment field (Bob Moore). * acpiExec namespace init file fixes (Bob Moore). * Addition of NHLT to the known tables list (Cezary Rojewski). * Conversion of PlatformCommChannel ASL keyword to PCC (Erik Kaneda). * acpiexec cleanup (Erik Kaneda). * WSMT-related typo fix (Erik Kaneda). * sprintf() utility function fix (John Levon). * IVRS IVHD type 11h parsing implementation (Michał Żygowski). * IVRS IVHD type 10h reserved field name fix (Michał Żygowski). - Fix ACPI-related CPU hotplug deadlock on x86 (Qian Cai). - Fix Intel Tiger Lake ACPI device IDs in several places (Gayatri Kammela). - Add ACPI backlight blacklist entry for Acer Aspire 5783z (Hans de Goede). - Fix documentation of the "acpi_backlight" kernel command line switch (Randy Dunlap). - Clean up the acpi_get_psd_map() CPPC library routine (Liguang Zhang).