[coreboot-gerrit] Change in coreboot[master]: amdfwtool: Add a function to extract firmwares

[Robert Zieba (Code Review)]

Attention is currently required from: Bao Zheng, Jason Glenesk, Raul Rangel, Martin Roth, Marshall Dawson, Zheng Bao, Felix Held.
Robert Zieba has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/54901 )

Change subject: amdfwtool: Add a function to extract firmwares
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Patch Set 21:

(1 comment)

Patchset:

PS21: 
It might be worth integrating these changes with CB:62795. I think that might end up being a little bit cleaner.