Merge branches 'acpi-cppc', 'acpi-video' and 'acpi-utils'

Merge branches 'acpi-cppc', 'acpi-video' and 'acpi-utils'

* acpi-cppc:
  ACPI: CPPC: Replace cppc_attr with kobj_attribute
  ACPI: CPPC: Add emtpy stubs of functions for CONFIG_ACPI_CPPC_LIB unset

* acpi-video:
  ACPI: video: use native backlight for GA401/GA502/GA503
  ACPI: video: Check LCD flag on ACPI-reduced-hardware devices
  ACPI: utils: Add acpi_reduced_hardware() helper

* acpi-utils:
  ACPI: utils: Capitalize abbreviations in the comments
  ACPI: utils: Document for_each_acpi_dev_match() macro