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

[Robert Chen (Code Review)]

Attention is currently required from: Kevin Chiu, Subrata Banik, Tim Wawrzynczak, Paul Menzel, Angel Pons, Robert Chen, Nick Vaccaro, Shon Wang.
Robert Chen has uploaded a new patch set (#33) to the change originally created by Shon Wang. ( https://review.coreboot.org/c/coreboot/+/60331 )

Change subject: mb/google/brya/var/vell: Change AMP driver setting
......................................................................

mb/google/brya/var/vell: Change AMP driver setting

1.Change I2S GPP_Sx (S0-S3) Native PAD Configuration from NF2 to NF4
2.Select CS35l53 AMP driver for Vell variant.

Signed-off-by: Shon.Wang 
Change-Id: I96d49bd1a2ba061c4fd52b450b31d0885f49552c
---
M src/mainboard/google/brya/Kconfig.name
M src/mainboard/google/brya/variants/vell/gpio.c
M src/mainboard/google/brya/variants/vell/overridetree.cb
3 files changed, 44 insertions(+), 31 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/31/60331/33