Merge branches 'acpi-pm', 'acpi-video', 'acpi-apei' and 'acpi-extlog'

Merge an ACPI power management change, ACPI backlight driver changes, APEI
updates and ACPI extlog driver changes for 6.8-rc1:

 - Modify the ACPI LPIT table handling code to avoid u32 multiplication
   overflows in state residency computations (Nikita Kiryushin).

 - Drop an unused helper function from the ACPI backlight (video) driver
   and add a clarifying comment to it (Hans de Goede).

 - Update the ACPI backlight driver to avoid using uninitialized memory
   in some cases (Nikita Kiryushin).

 - Add ACPI backlight quirk for the Colorful X15 AT 23 laptop (Yuluo
   Qiu).

 - Add support for vendor-defined error types to the ACPI APEI error
   injection code (Avadhut Naik).

 - Adjust APEI to properly set MF_ACTION_REQUIRED on synchronous memory
   failure events, so they are handled differently from the asynchronous
   ones (Shuai Xue).

 - Fix NULL pointer dereference check in the ACPI extlog driver (Prarit
   Bhargava).

 - Adjus...