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

[Aamir Bohra (Code Review)]

Attention is currently required from: Jason Glenesk, Raul Rangel, ritul guru, Marshall Dawson, Paul Menzel, Angel Pons, Felix Held.
Aamir Bohra 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 9:

(4 comments)

File src/soc/amd/common/block/psp/Kconfig:

https://review.coreboot.org/c/coreboot/+/60968/comment/5f8f7577_2f3433d8 
PS5, Line 33: default n
can be dropped I believe, default in n.

File src/soc/amd/common/block/psp/Kconfig:

https://review.coreboot.org/c/coreboot/+/60968/comment/af8554dc_e1c32d06 
PS9, Line 34: help
depends on SOC_AMD_COMMON_BLOCK_PSP_GEN2?

https://review.coreboot.org/c/coreboot/+/60968/comment/d22ab7f0_44279d6c 
PS9, Line 35: item 
config

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

https://review.coreboot.org/c/coreboot/+/60968/comment/4ef1e108_3536c022 
PS9, Line 96: #define FUSE_STATUS_NOT_ALLOWED	0x09
            : #define FUSE_STATUS_FUSING_ERR	0x0a
            : #define FUSE_STATUS_BOOT_DONE	0x0b
can be moved up.