AGESA fam15tn fam15rl fam16kb: Add OemInitMid()

Change-Id: Icbad42168ec3afb7780c0c2ddc17aa405e08d693
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/7825
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
diff --git a/src/mainboard/asrock/imb-a180/PlatformGnbPcie.c b/src/mainboard/asrock/imb-a180/PlatformGnbPcie.c
index cd3fdd6..da1910e 100644
--- a/src/mainboard/asrock/imb-a180/PlatformGnbPcie.c
+++ b/src/mainboard/asrock/imb-a180/PlatformGnbPcie.c
@@ -149,6 +149,14 @@
 	return AGESA_SUCCESS;
 }
 
+static AGESA_STATUS OemInitMid(AMD_MID_PARAMS * InitMid)
+{
+	/* 0 iGpuVgaAdapter, 1 iGpuVgaNonAdapter; */
+	InitMid->GnbMidConfiguration.iGpuVgaMode = 0;
+	return AGESA_SUCCESS;
+}
+
 const struct OEM_HOOK OemCustomize = {
 	.InitEarly = OemInitEarly,
+	.InitMid = OemInitMid,
 };