Change in coreboot[master]: soc/mediatek/mt8186: Fix pmif setting for low power mode

[Rex-BC Chen (Code Review)]

Attention is currently required from: Hung-Te Lin, Paul Menzel.
Rex-BC Chen has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/63089 )

Change subject: soc/mediatek/mt8186: Fix pmif setting for low power mode
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Patch Set 4:

(1 comment)

Commit Message:

https://review.coreboot.org/c/coreboot/+/63089/comment/e6006f0f_ca6d1c67 
PS3, Line 10: which is causing suspend failure
> How does it fail exactly?

I add this message in commit message.

The issue of suspend failure is that
SRCLKENA0 will not be pulled down. EC will not be informed AP is
suspending now becuase of this.