[S] Change in coreboot[master]: mb/google/brya0,skolas4es,skolas: disable Tccold Handshake

[Bora Guvendik (Code Review)]

Attention is currently required from: Bora Guvendik, Tarun Tuli, Subrata Banik, Selma Bensaid, Tim Wawrzynczak, Angel Pons, Kane Chen.

Bora Guvendik has uploaded a new patch set (#5) to the change originally created by Selma Bensaid. ( https://review.coreboot.org/c/coreboot/+/68636 )

Change subject: mb/google/brya0,skolas4es,skolas: disable Tccold Handshake
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mb/google/brya0,skolas4es,skolas: disable Tccold Handshake

The patch disables Tccold Handshake to prevent possible display
flicker issue for skolas board. Please refer to Intel doc#723158
for more information.

BUG=b:221461379
BRANCH=firmware-brya-14505.B
TEST=Boot to OS on Skolas, verify upd setting.

Change-Id: Ic184a61c27abd729667cd181d8f9954f58b67856
Signed-off-by: Selma Bensaid 
Signed-off-by: Bora Guvendik 
---
M src/mainboard/google/brya/variants/brya0/overridetree.cb
M src/mainboard/google/brya/variants/skolas/overridetree.cb
M src/mainboard/google/brya/variants/skolas4es/overridetree.cb
3 files changed, 31 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/36/68636/5