[coreboot-gerrit] Change in coreboot[master]: soc/amd/common/block/psp: Add platform secure boot support

[Felix Held (Code Review)]

Attention is currently required from: Jason Glenesk, Raul Rangel, ritul guru, Marshall Dawson, Paul Menzel, Angel Pons, Aamir Bohra.
Felix Held has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/60968 )

Change subject: soc/amd/common/block/psp: Add platform secure boot support
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Patch Set 8:

(2 comments)

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

https://review.coreboot.org/c/coreboot/+/60968/comment/06667c5a_ffba1d21 
PS8, Line 221: 		printk(BIOS_NOTICE, "PSB is not Enabled.\n");
would "Enabling PSB failed.\n" be more precise?

File src/soc/amd/common/block/psp/psp_def.h:

https://review.coreboot.org/c/coreboot/+/60968/comment/d63f0ab8_5728f25f 
PS8, Line 25: #define MBOX_BIOS_CMD_PSB_AUTO_FUSING		0x21
this needs to be moved up above line 20, since this isn't a v1 psp mailbox command