Change in coreboot[master]: soc/intel/common/acpi: add ACPI S0ix _DSM for Intel Power Engine Plug-in

[Cliff Huang (Code Review)]

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

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

https://review.coreboot.org/c/coreboot/+/55127

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

Change subject: soc/intel/common/acpi: add ACPI S0ix _DSM for Intel Power Engine Plug-in
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soc/intel/common/acpi: add ACPI S0ix _DSM for Intel Power Engine Plug-in

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

Alone with this change, two kernel changes are also required:
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.

BUG=b:185437326
brya: _DSM method need to implemented in coreboot for PMC requirement
register.

Change-Id: I991662cbebf63bd71139ed37ff2588ba73f30398
Signed-off-by: Cliff Huang 
---
M src/soc/intel/common/block/acpi/acpi/globalnvs.asl
M src/soc/intel/common/block/acpi/acpi/pep.asl
2 files changed, 27 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/27/55127/2