Merge branch 'acpica'

* acpica:
  ACPICA: Add PRMT module header to facilitate parsing
  ACPICA: Update version to 20210604
  ACPICA: Add support for PlatformRtMechanism OperationRegion handler
  ACPICA: iASL: add disassembler support for PRMT
  ACPICA: Add the CFMWS structure definition to the CEDT table
  ACPICA: Add defines for the CXL Host Bridge Structure (CHBS)
  ACPICA: iASL: Add support for the BDAT ACPI table
  ACPICA: Add _PLD panel positions
  ACPICA: Use ACPI_FALLTHROUGH
  ACPICA: iASL Table Compiler: Add full support for RGRT ACPI table
  ACPICA: iASL: Add support for the SVKL table
  ACPICA: iASL: Finish support for the IVRS ACPI table
  ACPICA: Fix memory leak caused by _CID repair function
  ACPICA: Add SVKL table headers
  ACPICA: ACPI 6.4: MADT: add Multiprocessor Wakeup Mailbox Structure