[coreboot-gerrit] Change in coreboot[master]: mb/google/brya: Set EPP to 45% for all Brya variants

[Cliff Huang (Code Review)]

Attention is currently required from: Cliff Huang, Selma Bensaid.
Hello build bot (Jenkins), Cliff Huang, Selma Bensaid, Tim Wawrzynczak,

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

https://review.coreboot.org/c/coreboot/+/62655

to look at the new patch set (#9).

Change subject: mb/google/brya: Set EPP to 45% for all Brya variants
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mb/google/brya: Set EPP to 45% for all Brya variants

This sets EPP value to be 45% for all Brya variants.

Historically, EPP Ratio has always been 50% (128) on Chrome platforms.
But on Intel Alderlake EPP ratio of 45% is recommended for optimal
power and performance on Chrome platforms.

BUG=b:219785001
BRANCH=firmware-brya-14505.B
TEST=
Use 'iotools rdmsr [cpu id] 0x774' command and check field 32:24 = 0x73.

Signed-off-by: Cliff Huang 
Change-Id: I973cfec72a0be24c56c4cd3283d2fe6e18400d02
---
M src/mainboard/google/brya/variants/baseboard/brya/devicetree.cb
1 file changed, 4 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/55/62655/9