Change in coreboot[master]: mb/google/brya/var/vell: Add AMP driver setting

[Subrata Banik (Code Review)]

Attention is currently required from: Robert Chen, Nick Vaccaro, Shon Wang.
Subrata Banik has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/60331 )

Change subject: mb/google/brya/var/vell: Add AMP driver setting
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Patch Set 7:

(1 comment)

Patchset:

PS7: 
I will review in more details tomorrow.

But here is my quick feedback.

I'm recommending to split this CL into atleast 3 CLs as below:

1. Add I2C driver for CS35L53 support.
2. Configure GPIO for vell variant.
2. Let Brya Kconfig.name to select this for vell variant and required override dt changes.