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

[ritul guru (Code Review)]

Attention is currently required from: Jason Glenesk, Raul Rangel, Marshall Dawson, Paul Menzel, Angel Pons, Aamir Bohra, Fred Reitberger, Felix Held.
ritul guru 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 19:

(2 comments)

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

https://review.coreboot.org/c/coreboot/+/60968/comment/6f32b6b3_271c3c4f 
PS18, Line 19: #define PSB_TEST_STATUS_PASS		0x00
> nit: add another tab

Ack

https://review.coreboot.org/c/coreboot/+/60968/comment/cc94f9fb_37706ed1 
PS18, Line 135: 	*status = read32p((psp_mmio + PSB_STATUS_OFFSET));
> One set of parentheses is enough: […]

Ack