[S] Change in coreboot[master]: elog: Add PSR backup eventlog messages

[Krishna P Bhat D (Code Review)]

Attention is currently required from: Anil Kumar K, Paul Menzel, Rizwan Qureshi, Sridhar Siricilla, Subrata Banik.

Hello Anil Kumar K, Paul Menzel, Rizwan Qureshi, Sridhar Siricilla, Subrata Banik, build bot (Jenkins),

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

https://review.coreboot.org/c/coreboot/+/75760?usp=email

to look at the new patch set (#4).

The following approvals got outdated and were removed:
Code-Review+1 by Paul Menzel, Verified+1 by build bot (Jenkins)

Change subject: elog: Add PSR backup eventlog messages
......................................................................

elog: Add PSR backup eventlog messages

This patch adds eventlog messages for the below scenarios:
1. To indicate success or failure of PSR data backup command
2. To indicate the loss PSR data when CSE update is corrupted and data
clear command is issued to clear the data.

TEST=Verify elog event added after PSR data backup command is sent
cse_lite: PSR_HECI_FW_DOWNGRADE_BACKUP command sent
...
ELOG: Event(B9) added with size 10 at 2023-06-27 06:44:49 UTC

Change-Id: I2459a2b941d28a87b6c78f75dbe8779d73328d7a
Signed-off-by: Krishna Prasad Bhat 
---
M src/commonlib/bsd/include/commonlib/bsd/elog.h
M src/soc/intel/common/block/cse/cse_lite.c
2 files changed, 18 insertions(+), 1 deletion(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/60/75760/4