[M] Change in coreboot[main]: drivers/wifi: Support Bluetooth Regulator Domain Settings

[Jérémy Compostella (Code Review)]

Attention is currently required from: Eric Lai, Jérémy Compostella, YH Lin, [e-mail].

Hello Eric Lai, Subrata Banik, YH Lin, build bot (Jenkins), [e-mail],

I'd like you to reexamine a change. Please visit

https://review.coreboot.org/c/coreboot/+/83200?usp=email

to look at the new patch set (#5).

The following approvals got outdated and were removed:
Code-Review+1 by YH Lin, Verified+1 by build bot (Jenkins)

Change subject: drivers/wifi: Support Bluetooth Regulator Domain Settings
......................................................................

drivers/wifi: Support Bluetooth Regulator Domain Settings

The 'Bluetooth Increased Power Mode - SAR Limitation' feature provides
ability to utilize increased device Transmit power capability for
Bluetooth applications in coordination with Wi-Fi adhering to product
SAR limit when Bluetooth and Wi-Fi run together.

This feature is required for Meteor Lake rex karis variant.

The implementation follows document 559910 Intel Connectivity
Platforms BIOS Guideline revision 8.3 specification.

BUG=b:348345301
BRANCH=firmware-rex-15709.B
TEST=BRDS method is added to the CNVW device and return the data
     supplied by the SAR binary blob

Change-Id: Iebe95815c944d045f4cf686abcd1874a8a45e209
Signed-off-by: Jeremy Compostella 
---
M src/drivers/wifi/generic/acpi.c
M src/include/sar.h
M src/vendorcode/google/chromeos/sar.c
3 files changed, 80 insertions(+), 2 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/00/83200/5