[M] Change in coreboot[master]: mb/google/rex: Enable audio BT offload

[Anil Kumar K (Code Review)]

Attention is currently required from: Anil Kumar K, Tarun Tuli, Subrata Banik, Ravishankar Sarawadi, Kapil Porwal, Uday Bhat, Jairaj Arava.

Anil Kumar K has uploaded a new patch set (#14) to the change originally created by Ravishankar Sarawadi. ( https://review.coreboot.org/c/coreboot/+/72881 )

Change subject: mb/google/rex: Enable audio BT offload
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mb/google/rex: Enable audio BT offload

This patch enables BT offload feature on Rex over SSP1.

BT mode is selected via FW_CONFIG and corresponding VGPIOs are
programmed.

BUG=b:275538390
TEST=Play back through BT

Signed-off-by: Ravi Sarawadi 
Change-Id: I46e9702add37464122ffc78826ebf8a6c5b5b07c
---
M src/mainboard/google/rex/variants/baseboard/rex/devicetree.cb
M src/mainboard/google/rex/variants/rex0/fw_config.c
2 files changed, 64 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/81/72881/14