[S] Change in coreboot[main]: soc/intel/mtl: Hook up GMA ACPI brightness controls

[Tim Crawford (Code Review)]

Attention is currently required from: Dinesh Gehlot, Eran Mitrani, Jakub Czapiga, Kapil Porwal, Subrata Banik, Tarun.

Hello Dinesh Gehlot, Eran Mitrani, Jakub Czapiga, Kapil Porwal, Subrata Banik, Tarun, build bot (Jenkins),

I'd like you to reexamine a change. Please visit

https://review.coreboot.org/c/coreboot/+/82729?usp=email

to look at the new patch set (#3).

The following approvals got outdated and were removed:
Verified+1 by build bot (Jenkins)

Change subject: soc/intel/mtl: Hook up GMA ACPI brightness controls
......................................................................

soc/intel/mtl: Hook up GMA ACPI brightness controls

Add function needed to generate ACPI backlight control SSDT, along with
Kconfig values for accessing the registers.

Change-Id: Ied08e5e9fe4913bd60474ed7dcf88b945172558d
Signed-off-by: Jeremy Soller 
Signed-off-by: Tim Crawford 
---
M src/soc/intel/meteorlake/Kconfig
M src/soc/intel/meteorlake/Makefile.mk
M src/soc/intel/meteorlake/chip.h
A src/soc/intel/meteorlake/graphics.c
4 files changed, 28 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/29/82729/3