Patch merged into coreboot/master: AMD Bettong: Enable S4 feature for Windows 7

the following patch was just integrated into master:
commit 1897c2c3508f3d5e2d020c6e56f16611c8cfad4a
Author: zbao 
Date:   Thu Nov 5 20:25:59 2015 +0800

AMD Bettong: Enable S4 feature for Windows 7

PMIOxEE is for setting USB3 power rail. Set it to S0, otherwise
    going into hibernation can not be wake up.

Change-Id: I692497bad24d745738d670897e725a568c1db114
    Signed-off-by: Zheng Bao 
    Signed-off-by: Zheng Bao 
    Reviewed-on: http://review.coreboot.org/11373
    Reviewed-by: Patrick Georgi 
    Tested-by: build bot (Jenkins)

See http://review.coreboot.org/11373 for details.

-gerrit