[S] Change in coreboot[main]: util/mediatek: Add check-pi-img.py

[Yu-Ping Wu (Code Review)]

Attention is currently required from: Yidi Lin, Yu-Ping Wu.

Hello Yidi Lin, build bot (Jenkins),

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

https://review.coreboot.org/c/coreboot/+/87226?usp=email

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

The following approvals got outdated and were removed:
Code-Review+2 by Yidi Lin, Verified+1 by build bot (Jenkins)

Change subject: util/mediatek: Add check-pi-img.py
......................................................................

util/mediatek: Add check-pi-img.py

According to MediaTek's proprietary PI_IMG parser, two cookies (one
header and one footer) are expected. Therefore, add a script to perform
validity check of the PI_IMG firmware, so that format errors could be
caught in build time.

Change-Id: I27011492c7fab747aa3ee12d514d20a6a52d0a4d
Signed-off-by: Yu-Ping Wu 
---
M Documentation/util.md
M util/README.md
A util/mediatek/check-pi-img.py
M util/mediatek/description.md
4 files changed, 38 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/26/87226/3