[coreboot-gerrit] Change in coreboot[master]: mb/google/brya/var/banshee: Add mic mute switch setting

[Frank Wu (Code Review)]

Attention is currently required from: John Su, YH Lin, Dtrain Hsu, Ian Feng, Paul Menzel, Tim Wawrzynczak, Nick Vaccaro, Eric Lai, Amanda Hwang, Ricky Chang.
Frank Wu has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/62804 )

Change subject: mb/google/brya/var/banshee: Add mic mute switch setting
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Patch Set 5:

This change is ready for review.