[M] Change in coreboot[main]: soc/mediatek/mt8196: Add MMinfra driver support

[Jarried Lin (Code Review)]

Attention is currently required from: Hung-Te Lin, Paul Menzel, Yidi Lin, Yu-Ping Wu.

Jarried Lin has posted comments on this change by Jarried Lin. ( https://review.coreboot.org/c/coreboot/+/85188?usp=email )

Change subject: soc/mediatek/mt8196: Add MMinfra driver support
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Patch Set 5:

(1 comment)

File src/soc/mediatek/mt8196/mminfra_pd.c:

https://review.coreboot.org/c/coreboot/+/85188/comment/67ec4176_f97dbc32?usp... :
PS5, Line 35: while (read32p(MMINFRA_MM0_GALS_PROT_TX_RDY) != 0xff)
            : 		;
> Should we want potential endless loops? Maybe add some timeout?

Since this is a very basic MM register setting, if the while loop gets stuck, it indicates some hardware issues. Continuing execution might lead to unexpected behavior.