Change in coreboot[master]: soc/intel/tigerlake: enable ACPI S0ix DSM for Intel PEP

[Cliff Huang (Code Review)]

Attention is currently required from: Tim Wawrzynczak, Patrick Rudolph.
Hello build bot (Jenkins), Tim Wawrzynczak, Patrick Rudolph,

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

https://review.coreboot.org/c/coreboot/+/55151

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

Change subject: soc/intel/tigerlake: enable ACPI S0ix DSM for Intel PEP
......................................................................

soc/intel/tigerlake: enable ACPI S0ix DSM for Intel PEP

This is to enable S0ix device specific method _DSM (UUID:
57a6512e-3979-4e9d-9708-ff13b2508972) for Intel Power Engine Plug-in.

Alone with this change, one coreboot and two kernel changes are also
required:
https://review.coreboot.org/c/coreboot/+/55127
https://chromium-review.googlesource.com/2800280
https://chromium-review.googlesource.com/2800281

Once done, substate_requirement_registers is created under
/sys/kernel/debug/pmc_core/
Use: 'cat /sys/kernel/debug/pmc_core/substate_requirement_registers' to
check the content.

Signed-off-by: Cliff Huang 
Change-Id: I87fa55e4003e789d55ddce11d1f76e9ca8b08f18
---
M src/soc/intel/tigerlake/Kconfig
1 file changed, 1 insertion(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/51/55151/2