[XS] Change in coreboot[main]: mb/google/rauru: Add mtk-fsp loader in romstage

[Yu-Ping Wu (Code Review)]

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

Yu-Ping Wu has posted comments on this change by Jarried Lin. ( https://review.coreboot.org/c/coreboot/+/86015?usp=email )

Change subject: mb/google/rauru: Add mtk-fsp loader in romstage
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Patch Set 1:

(2 comments)

Commit Message:

https://review.coreboot.org/c/coreboot/+/86015/comment/82fe0d1f_bec7dc55?usp... :
PS1, Line 7: Add mtk-fsp loader
Run mtk-fsp

https://review.coreboot.org/c/coreboot/+/86015/comment/6e304829_fb03fee4?usp... :
PS1, Line 9: MediaTek firmware support package (mtk-fsp) is a new blob that include:
           : - Power Switch.
Run mtk_fsp_romstage.elf (MediaTek firmware support package for romstage) in romstage to support power switch.