[S] Change in coreboot[main]: mb/google/corsola: Use fw_config to differentiate audio amps

[Yang Wu (Code Review)]

Attention is currently required from: Hung-Te Lin, Ruihai Zhou, Xuxin Xiong, Yidi Lin, Yu-Ping Wu.

Yang Wu has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/79309?usp=email )

Change subject: mb/google/corsola: Use fw_config to differentiate audio amps
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Patch Set 2:

(1 comment)

File src/mainboard/google/corsola/devicetree.cb:

https://review.coreboot.org/c/coreboot/+/79309/comment/5372fe83_001f5670 :
PS1, Line 4: AUDIO_AMP
> Since the option is under the AUDIO_AMP field, having the prefix `AMP` should be enough.

Done