[L] Change in coreboot[main]: soc/mediatek/mt8189: Add a stub implementation of MT8189 SoC

[Yu-Ping Wu (Code Review)]

Attention is currently required from: Hung-Te Lin, Vince Liu, Yidi Lin.

Yu-Ping Wu has posted comments on this change by Vince Liu. ( https://review.coreboot.org/c/coreboot/+/85616?usp=email )

Change subject: soc/mediatek/mt8189: Add a stub implementation of MT8189 SoC
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Patch Set 1: Code-Review+2

(1 comment)

Commit Message:

https://review.coreboot.org/c/coreboot/+/85616/comment/8a4a0c08_5563c8c8?usp... :
PS1, Line 10: Also enable UART and ARM arch timer.
Please provide a brief overview about how MT8189 differs from the previous SoC (either MT8196 or MT8188).