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: V Sowmya, Tim Wawrzynczak, Paul Menzel, Balaji Manigandan, Bernardo Perez Priego, Patrick Rudolph.
Hello V Sowmya, build bot (Jenkins), Furquan Shaikh, Selma Bensaid, Tim Wawrzynczak, Paul Menzel, Balaji Manigandan, Bernardo Perez Priego, 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 (#7).

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

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 needs to implemented in coreboot for PMC requirement
register.

Change-Id: I991662cbebf63bd71139ed37ff2588ba73f30398
Signed-off-by: Cliff Huang 
---
M src/soc/intel/common/block/acpi/Kconfig
M src/soc/intel/common/block/acpi/acpi/globalnvs.asl
M src/soc/intel/common/block/acpi/acpi/pep.asl
3 files changed, 38 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/27/55127/7