[M] Change in coreboot[main]: soc/intel/xeon_sp/gnr: Add IIO config utils

[Jincheng Li (Code Review)]

Attention is currently required from: Arthur Heymans, Chen, Gang C, Christian Walter, David Hendricks, Jincheng Li, Johnny Lin, Jonathan Zhang, Lean Sheng Tan, Patrick Rudolph, TangYiwei, Tim Chu.

Jincheng Li has uploaded a new patch set (#5) to the change originally created by Shuo Liu. ( https://review.coreboot.org/c/coreboot/+/81318?usp=email )

Change subject: soc/intel/xeon_sp/gnr: Add IIO config utils
......................................................................

soc/intel/xeon_sp/gnr: Add IIO config utils

GraniteRapids boards should use _IIO_PE_CFG_STRUCT_BEGIN() to
define IIO configurations and invokes soc_config_iio() to apply
the settings.

Change-Id: If7146761db6f73a0c4b0d31b010c0d30a42bf690
Signed-off-by: Gang Chen 
Signed-off-by: Shuo Liu 
---
M src/soc/intel/xeon_sp/gnr/Makefile.inc
A src/soc/intel/xeon_sp/gnr/include/soc/iio.h
A src/soc/intel/xeon_sp/gnr/soc_iio.c
3 files changed, 183 insertions(+), 1 deletion(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/18/81318/5