[coreboot-gerrit] [M] Change in coreboot[main]: soc/amd/common/psp: add and call PSP SMI SPI access function stubs

[Felix Held (Code Review)]

Attention is currently required from: Fred Reitberger, Jason Glenesk, Matt DeVillier, ritul guru.

Felix Held has posted comments on this change by Felix Held. ( https://review.coreboot.org/c/coreboot/+/83756?usp=email )

Change subject: soc/amd/common/psp: add and call PSP SMI SPI access function stubs
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Patch Set 3:

This change is ready for review.