[coreboot-gerrit] Change in coreboot[master]: cpu/amd: Add common helpers for TSEG and SMM

[Arthur Heymans (Code Review)]

Attention is currently required from: Jason Glenesk, Raul Rangel, Marshall Dawson, Kyösti Mälkki, Fred Reitberger, Felix Held.
Arthur Heymans has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/64866 )

Change subject: cpu/amd: Add common helpers for TSEG and SMM
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Patch Set 6:

(1 comment)

File src/cpu/amd/smm/smm_helper.c:

PS5:
> Since cpu,nb,sb/amd/agesa,pi already calls a lot of soc/amd/common, maybe keep SMM helpers there. I don't think there is much soc/amd calling to cpu/amd.

That's a lot of work to redo...