Patch merged into coreboot/master: intel/skylake: Add ACPI device for audio controller

the following patch was just integrated into master:
commit 8996084f82119564362b1f9cb28fcbb7d74b3188
Author: Duncan Laurie 
Date:   Sat Nov 21 18:40:19 2015 -0800

intel/skylake: Add ACPI device for audio controller

Add the audio controller device to ACPI and define the _DSM handler
    to return the address of the NHLT table, if it has been set in NVS.

BUG=chrome-os-partner:47346
    BRANCH=none
    TEST=build and boot on glados and chell

Change-Id: I8dc186a8bb79407b69ef32fb224a7c0f85c05bc4
    Signed-off-by: Patrick Georgi 
    Original-Commit-Id: 6b73fba375f83f175d0b73e5e70a058a6c259e0d
    Original-Change-Id: Ia9bedbae198e53fe415adc086a44b8b29b7f611d
    Original-Signed-off-by: Duncan Laurie 
    Original-Reviewed-on: https://chromium-review.googlesource.com/313824
    Original-Commit-Ready: Aaron Durbin 
    Original-Reviewed-by: Aaron Durbin 
    Reviewed-on: https://review.coreboot.org/12597
    Tested-by: build bot (Jenkins)
    Reviewed-by: Stefan Reinauer

See https://review.coreboot.org/12597 for details.

-gerrit