[L] Change in coreboot[master]: soc/amd/mendocino: Separate STAPM and STT for DPTC

[Chris Wang (Code Review)]

Attention is currently required from: Jason Glenesk, Raul Rangel, Matt DeVillier, Tim Van Patten, Fred Reitberger, Felix Held.

Hello build bot (Jenkins), Jason Glenesk, Raul Rangel, Matt DeVillier, Fred Reitberger, Felix Held,

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

https://review.coreboot.org/c/coreboot/+/71909

to look at the new patch set (#11).

Change subject: soc/amd/mendocino: Separate STAPM and STT for DPTC
......................................................................

soc/amd/mendocino: Separate STAPM and STT for DPTC

Separate the STAPM and STT for the DPTC parameter. To avoid unnecessary
parameters being applied to DPTC when STT is enabled, especially SPL.

BUG=b:265267957,b:265114627
BRANCH=none
TEST=run Webgl aquarium with 1000 fish and no power peak observed,

Signed-off-by: Chris.Wang 
Change-Id: Ia7999753dcbb5716a3b07ef22a096b55579b80b5
---
M src/soc/amd/mendocino/Makefile.inc
A src/soc/amd/mendocino/dptc_acpi.c
A src/soc/amd/mendocino/include/soc/dptc.h
M src/soc/amd/mendocino/root_complex.c
4 files changed, 393 insertions(+), 220 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/09/71909/11