Change in coreboot[master]: soc/intel/skylake: Ensure FSP don't override ITSS IPCx registers

[Subrata Banik (Code Review)]

Subrata Banik has uploaded a new patch set (#2). ( https://review.coreboot.org/28791 )

Change subject: soc/intel/skylake: Ensure FSP don't override ITSS IPCx registers
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soc/intel/skylake: Ensure FSP don't override ITSS IPCx registers

This patch save and restore ITSS IPCx register before and after
FSP-S call.

Change-Id: Ib731f27826d604c305dc52a8488fd6240b01148a
Signed-off-by: Subrata Banik 
---
M src/soc/intel/skylake/chip.c
M src/soc/intel/skylake/chip_fsp20.c
M src/soc/intel/skylake/include/soc/itss.h
3 files changed, 22 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/91/28791/2