[coreboot-gerrit] Change in coreboot[master]: timestamp: Allow timestamp_add to accept a negative number

[Bora Guvendik (Code Review)]

Attention is currently required from: Bora Guvendik, Selma Bensaid, Tim Wawrzynczak, Subrata Banik.
Hello build bot (Jenkins), Selma Bensaid, Tim Wawrzynczak, Julius Werner, Subrata Banik,

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

https://review.coreboot.org/c/coreboot/+/59554

to look at the new patch set (#2).

Change subject: timestamp: Allow timestamp_add to accept a negative number
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timestamp: Allow timestamp_add to accept a negative number

Change timestamp_add to accept negative values for events
that took place before coreboot started executing.

TEST=Boot to OS, check cbmem -t

Signed-off-by: Bora Guvendik 
Change-Id: I90afc13a8e92693d86e3358f05e0a0cb7cdbca9b
---
M src/commonlib/include/commonlib/timestamp_serialized.h
M src/include/timestamp.h
M src/lib/timestamp.c
3 files changed, 6 insertions(+), 5 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/54/59554/2