Change in coreboot[master]: amdfwtool: Add support for AMD's BIOS A/B recovery feature

[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/+/56773 )

Change subject: amdfwtool: Add support for AMD's BIOS A/B recovery feature
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Patch Set 29:

(4 comments)

File util/amdfwtool/amdfwtool.c:

https://review.coreboot.org/c/coreboot/+/56773/comment/79ab8f06_e80e28a4 
PS29, Line 769: pspdir2
pspdir2 != NULL

https://review.coreboot.org/c/coreboot/+/56773/comment/abae94f4_6a36e8a3 
PS29, Line 775: pspdir2
same.

https://review.coreboot.org/c/coreboot/+/56773/comment/ad94ea15_7eee0405 
PS29, Line 792: uint8_t
fw_type type

https://review.coreboot.org/c/coreboot/+/56773/comment/c8b7e044_17902159 
PS29, Line 796: type
(uint8_t)type