[coreboot-gerrit] Change in coreboot[master]: soc/amd/common/block/psp: add PSP command

[Felix Held (Code Review)]

Attention is currently required from: Jason Glenesk, Raul Rangel, Marshall Dawson, Mohan Viswanathan, Name of user not set #1004133, Al Hirani, Avinash Alevoor, Rob Barnes, Fred Reitberger.
Felix Held has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/61462 )

Change subject: soc/amd/common/block/psp: add PSP command
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Patch Set 5:

(1 comment)

File src/soc/amd/common/block/psp/psp_gen2.c:

https://review.coreboot.org/c/coreboot/+/61462/comment/10cb3c76_da7ada42 
PS5, Line 128: 		return 0;
not sure if this will do the right thing in the error case; the other implementation linked above might be better