[M] Change in coreboot[master]: soc/mediatek/mt8188: Add bus protection for audio/video mtcmos

[Yu-Ping Wu (Code Review)]

Attention is currently required from: Hung-Te Lin, jason-ch chen, Rex-BC Chen, Yidi Lin.

Yu-Ping Wu has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/73375 )

Change subject: soc/mediatek/mt8188: Add bus protection for audio/video mtcmos
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Patch Set 2:

(1 comment)

File src/soc/mediatek/mt8188/mtcmos.c:

https://review.coreboot.org/c/coreboot/+/73375/comment/c095067b_fcc8738d 
PS2, Line 25: ADSP_PROT_STEP_1_MASK		= 0x00100000,
            : 	ADSP_PROT_STEP_2_MASK		= 0x00001000,
            : 	AUDIO_PROT_STEP_1_MASK		= 0x00000F00,
            : 	AUDIO_PROT_STEP_2_MASK		= 0x00600000,
The order isn't consistent. `V*STEP_*` are sorted by decreasing steps.