[coreboot-gerrit] Change in coreboot[master]: soc/intel/common: Implement IOC driver

[Subrata Banik (Code Review)]

Attention is currently required from: Jamie Ryu, Wonkyu Kim, Subrata Banik, Ethan Tsao, Ravishankar Sarawadi, Paul Menzel, Tim Wawrzynczak, Angel Pons, Nick Vaccaro.
Subrata Banik has uploaded a new patch set (#15) to the change originally created by Wonkyu Kim. ( https://review.coreboot.org/c/coreboot/+/63198 )

Change subject: soc/intel/common: Implement IOC driver
......................................................................

soc/intel/common: Implement IOC driver

Starting with Meteor Lake SoC, the PCR/DMI interface to program GPMR
is replaced with IOC (I/O Cache), hence, this patch implements IOC
driver to support that migration.

Reference: 643504 MTL FAS section 7.5.2

TEST=Build and boot to OS for TGL RVP and MTL PSS

Signed-off-by: Wonkyu Kim 
Change-Id: I768027c2ca78310c03845f70f17df19dc8cd0982
---
M src/soc/intel/common/block/gpmr/gpmr.c
M src/soc/intel/common/block/include/intelblocks/gpmr.h
A src/soc/intel/common/block/include/intelblocks/ioc.h
A src/soc/intel/common/block/include/intelblocks/ioc_gpmr.h
A src/soc/intel/common/block/ioc/Kconfig
A src/soc/intel/common/block/ioc/Makefile.inc
A src/soc/intel/common/block/ioc/ioc.c
M src/soc/intel/common/pch/lockdown/lockdown.c
8 files changed, 112 insertions(+), 5 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/98/63198/15