arm: goni: enable USB Mass Storage

UMS-related defines were added to Samsung Goni config header.
Signed-off-by: NMateusz Zalega <m.zalega@samsung.com>
Signed-off-by: NMinkyu Kang <mk7.kang@samsung.com>

include/configs/s5p_goni.h

@@ -267,5 +267,7 @@
 #define CONFIG_USB_GADGET_S3C_UDC_OTG
 #define CONFIG_USB_GADGET_DUALSPEED
 #define CONFIG_USB_GADGET_VBUS_DRAW 2
+#define CONFIG_CMD_USB_MASS_STORAGE
+#define CONFIG_USB_GADGET_MASS_STORAGE
 
 #endif	/* __CONFIG_H */