[S] Change in coreboot[main]: mb/amd/birman: add function to update MPIO config in devicetree

[Felix Held (Code Review)]

Attention is currently required from: Fred Reitberger, Jason Glenesk.

Felix Held has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/82106?usp=email )

Change subject: mb/amd/birman: add function to update MPIO config in devicetree
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Patch Set 1:

(1 comment)

Patchset:

PS1: 
i've verified that the mainboard init is run before the soc init on some other board