southbridge/amd/sb700: Fix boot hang on ASUS KGPE-D16

Change-Id: I1d7d6715663a13ab94fd6d71808e35f0f7384d00
Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Reviewed-on: http://review.coreboot.org/11938
Tested-by: build bot (Jenkins)
Reviewed-by: Peter Stuge <peter@stuge.se>
2 files changed