[coreboot-gerrit] Change in coreboot[master]: drivers/ipmi: Add IPMI KCS support in romstage

[Johnny Lin (Code Review)]

Hello build bot (Jenkins), Patrick Georgi, Martin Roth, Jonathan Zhang, David Hendricks, Jingle Hsu, Morgan Jang, Andrey Petrov, Patrick Rudolph,

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

https://review.coreboot.org/c/coreboot/+/40234

to look at the new patch set (#3).

Change subject: drivers/ipmi: Add IPMI KCS support in romstage
......................................................................

drivers/ipmi: Add IPMI KCS support in romstage

It's necessary to run IPMI commands in romstage for writing error SEL
such as memory initialization error SEL, and also for other usages
such as starting FRB2 timer, OEM commands, etc.

Change-Id: Ie3198965670454b123e570f9056673fdf515f52b
Signed-off-by: Johnny Lin 
---
M src/drivers/ipmi/Kconfig
M src/drivers/ipmi/Makefile.inc
M src/drivers/ipmi/ipmi_kcs.h
A src/drivers/ipmi/ipmi_kcs_ops_premem.c
4 files changed, 126 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/34/40234/3