[S] Change in coreboot[main]: mb/google/kahlee: Rework I2S/ACP ACPI for new Windows driver

[CoolStar (Code Review)]

Attention is currently required from: CoolStar, Jason Nien, Martin Roth, Martin Roth, Matt DeVillier, Nico Huber, Paul Menzel.

Hello Jason Nien, Martin Roth, Martin Roth, Matt DeVillier, Nico Huber, build bot (Jenkins),

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

https://review.coreboot.org/c/coreboot/+/78406?usp=email

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

The following approvals got outdated and were removed: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

Change subject: mb/google/kahlee: Rework I2S/ACP ACPI for new Windows driver
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mb/google/kahlee: Rework I2S/ACP ACPI for new Windows driver

Supports a brand new ACP driver for STONEY / Grunt chromebooks.
AMD's Audio CoProcessor handles i2s/tdm audio, and is located on the
GPU.

On Windows the PCIe device for the GPU is owned by the AMD proprietary
driver, hence a separate device has to be added for the ACP driver.

Fortunately since IOMMU is disabled on STONEY, the driver itself can
pull BAR5 from the GPU and use that to initialize, so no special
configuration is required in ACPI other than the ID.

Change-Id: I51527a1bfae3e12ce5cf1da8a3465bbc9ddfa76e
Signed-off-by: CoolStar 
---
M src/mainboard/google/kahlee/dsdt.asl
A src/mainboard/google/kahlee/variants/baseboard/include/baseboard/acpi/audio_common.asl
2 files changed, 12 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/06/78406/5