[S] Change in coreboot[main]: mb/google/rex/var/kanix: Add audio codec/amp support

[Tyler Wang (Code Review)]

Attention is currently required from: David Wu, Dinesh Gehlot, Eran Mitrani, Jakub Czapiga, Kapil Porwal, Subrata Banik, Tarun.

Tyler Wang has posted comments on this change by Tyler Wang. ( https://review.coreboot.org/c/coreboot/+/85100?usp=email )

Change subject: mb/google/rex/var/kanix: Add audio codec/amp support
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Patch Set 2:

(1 comment)

File src/mainboard/google/rex/variants/kanix/overridetree.cb:

https://review.coreboot.org/c/coreboot/+/85100/comment/56273647_3f80e22b?usp... :
PS1, Line 327: 		device ref i2c0 on
             :
> please use tab 😊

Oops, update patchset 2 to fix it.
Thank you!