[XS] Change in coreboot[main]: mb/google/brox: Disable package c state demotion

[Shelley Chen (Code Review)]

Attention is currently required from: Shelley Chen.

Hello Eric Lai, Nick Vaccaro, build bot (Jenkins),

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

https://review.coreboot.org/c/coreboot/+/79855?usp=email

to look at the new patch set (#5).

Change subject: mb/google/brox: Disable package c state demotion
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mb/google/brox: Disable package c state demotion

This needs to be disabled for RPL otherwise we'll hit the assertion:

[EMERG]  ASSERTION ERROR: file 'src/soc/intel/alderlake/fsp_params.c', line 1066

There is a comment in the referenced file/line in the assertion that
says that "C state demotion must be disabled for Raptorlake J0 and Q0
SKUs."  So, disabling it.

BUG=b:311450057,b:300690448
BRANCH=None
TEST=Tested that we didn't hit this assertion on the device after this
     change

Change-Id: Ib7b2484de2d84c980550fd951f1e30efab0ee197
Signed-off-by: Shelley Chen 
---
M src/mainboard/google/brox/variants/baseboard/brox/devicetree.cb
1 file changed, 4 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/55/79855/5