ti_armv7_keystone2: configs: add usb mass storage support

Add USB mass storage support so that kernel can be read from
connected usb storage.

Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
diff --git a/include/configs/ti_armv7_keystone2.h b/include/configs/ti_armv7_keystone2.h
index 6f30c77..8bdd2de 100644
--- a/include/configs/ti_armv7_keystone2.h
+++ b/include/configs/ti_armv7_keystone2.h
@@ -195,6 +195,7 @@
 #define CONFIG_USB_XHCI_DWC3
 #define CONFIG_USB_XHCI_KEYSTONE
 #define CONFIG_SYS_USB_XHCI_MAX_ROOT_PORTS	2
+#define CONFIG_USB_STORAGE
 #define CONFIG_EFI_PARTITION
 #define CONFIG_FS_FAT
 #define CONFIG_SYS_CACHELINE_SIZE		64