Enabled the Freescale SGMII riser card on 8536DS

Signed-off-by: Jason Jin <Jason.jin@freescale.com>
diff --git a/include/configs/MPC8536DS.h b/include/configs/MPC8536DS.h
index 29ab2c4..38be10d 100644
--- a/include/configs/MPC8536DS.h
+++ b/include/configs/MPC8536DS.h
@@ -427,6 +427,9 @@
 #define CONFIG_TSEC3	1
 #define CONFIG_TSEC3_NAME	"eTSEC3"
 
+#define CONFIG_FSL_SGMII_RISER	1
+#define SGMII_RISER_PHY_OFFSET	0x1c
+
 #define TSEC1_PHY_ADDR		1	/* TSEC1 -> PHY1 */
 #define TSEC3_PHY_ADDR		0	/* TSEC3 -> PHY0 */