Patch merged into coreboot/master: 616e6fb ASRock IMB_A180: fix Windows 7 HDMI audio issue

the following patch was just integrated into master:
commit 616e6fb2521e639eebb95c572f38db1a8bc26894
Author: WANG Siyuan 
Date:   Mon Sep 23 15:11:11 2013 +0800

ASRock IMB_A180: fix Windows 7 HDMI audio issue

Windows 7 cannot find HDMI audio device because of acpi setting.
    I have tested on Windows 7. I can play music.

Change-Id: I53177ce00b676824a903a3397d69338e8c1a38af
    Signed-off-by: WANG Siyuan 
    Signed-off-by: WANG Siyuan 
    Reviewed-on: http://review.coreboot.org/3936
    Tested-by: build bot (Jenkins)
    Reviewed-by: Stefan Reinauer

See http://review.coreboot.org/3936 for details.

-gerrit