Change in coreboot[master]: drivers/intel/dptf: Add support for PCH methods

[Sumeet R Pawnikar (Code Review)]

Attention is currently required from: Furquan Shaikh, Tim Wawrzynczak, Patrick Rudolph, Karthik Ramasubramanian, Felix Held.
Hello build bot (Jenkins), Furquan Shaikh, Tim Wawrzynczak, Patrick Rudolph, Karthik Ramasubramanian, Felix Held,

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

https://review.coreboot.org/c/coreboot/+/57925

to look at the new patch set (#7).

Change subject: drivers/intel/dptf: Add support for PCH methods
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drivers/intel/dptf: Add support for PCH methods

Add various methods support for pch device under dptf driver.
This provides support of different control knobs for FIVR.

BUG=b:198582766
BRANCH=None
TEST=Build FW and test on brya0 board

Change-Id: I2d40fff98cb4eb9144d55fd5383d9946e4cb0558
Signed-off-by: Sumeet Pawnikar 
---
M src/drivers/intel/dptf/dptf.c
M src/drivers/intel/dptf/dptf.h
M src/soc/intel/alderlake/dptf.c
3 files changed, 164 insertions(+), 21 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/25/57925/7