[S] Change in coreboot[master]: soc/mediatek: Add support for regulator VM18

[Liju-Clr Chen (Code Review)]

Attention is currently required from: Hung-Te Lin, Rex-BC Chen, Yu-Ping Wu.

Liju-Clr Chen has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/72747 )

Change subject: soc/mediatek: Add support for regulator VM18
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Patch Set 3:

(4 comments)

Commit Message:

https://review.coreboot.org/c/coreboot/+/72747/comment/f6d793f2_360a4a7d 
PS1, Line 7: Implement VM18 enable interface to supply power for BOE_TV110C9M_LL0
> soc/mediatek: Add support for regulator VM18

Done

https://review.coreboot.org/c/coreboot/+/72747/comment/dd64c4ef_677c1ce7 
PS1, Line 9: Implement VM18 enable interface to supply power for BOE_TV110C9M_LL0.
> mipi -> MIPI

Done

https://review.coreboot.org/c/coreboot/+/72747/comment/69435144_d1fff6b7 
PS1, Line 12: test firmware display pass for BOE_TV110C9M_LL0 on Geralt proto
            : board
> test firmware display pass for BOE_TV110C9M_LL0 on Geralt.

Done

Patchset:

PS2:
> We may change the `regulator_id` array to a function similar to Geralt's `get_mt6359p_regulator_id() […]

Done