[S] Change in coreboot[main]: soc/mediatek/mt8196: Add power-saving for peripheral clocks

[Jarried Lin (Code Review)]

Hello build bot (Jenkins),

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

https://review.coreboot.org/c/coreboot/+/85774?usp=email

to look at the new patch set (#2).

The following approvals got outdated and were removed: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

Change subject: soc/mediatek/mt8196: Add power-saving for peripheral clocks
......................................................................

soc/mediatek/mt8196: Add power-saving for peripheral clocks

CKSYS in MT8196 dynamically controls PERI clocks based on status:
- Clock off when idle.
- Clock on when busy. This reduces power consumption by turning off
  clocks when not needed.

TEST=Build pass, boot log:
mtk_cksys_init = 0x1
BUG=b:317009620

Change-Id: I70f710f068d7d882037691930a90c83adaab15d2
Signed-off-by: Jarried Lin 
---
M src/soc/mediatek/mt8196/Makefile.mk
M src/soc/mediatek/mt8196/bootblock.c
M src/soc/mediatek/mt8196/include/soc/addressmap.h
A src/soc/mediatek/mt8196/include/soc/mtk_cksys.h
A src/soc/mediatek/mt8196/mtk_cksys.c
5 files changed, 24 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/74/85774/2