Change in coreboot[master]: [DEMO]soc/amd/cezanne: Add amdfwtool options for A/B recovery

[Bao Zheng (Code Review)]

Attention is currently required from: Jason Glenesk, Raul Rangel, Martin Roth, Marshall Dawson, Zheng Bao, Felix Held.
Bao Zheng has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/56938 )

Change subject: [DEMO]soc/amd/cezanne: Add amdfwtool options for A/B recovery
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Patch Set 12:

(1 comment)

File src/soc/amd/cezanne/Makefile.inc:

https://review.coreboot.org/c/coreboot/+/56938/comment/8af994f9_27a56c75 
PS7, Line 195: OPT_RECOVERY_AB="--recovery-ab"
> Instead of making a demo commit, could we add something to the Kconfig files so this could be enable […]

Ack.
Currently A/B is not an option yet, and it doesn't need to be.
For cezanne, it is just a test and nobody needs it.
For Mendocino, it is a must.