mx23_olinuxino: Enable USB support

This enabled USB support for the mx23_olinuxino board.

Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
diff --git a/include/configs/mx23_olinuxino.h b/include/configs/mx23_olinuxino.h
index d019944..90dda01 100644
--- a/include/configs/mx23_olinuxino.h
+++ b/include/configs/mx23_olinuxino.h
@@ -60,6 +60,7 @@
 #define	CONFIG_CMD_GPIO
 #define	CONFIG_CMD_LED
 #define	CONFIG_CMD_MMC
+#define	CONFIG_CMD_USB
 
 /*
  * Memory configurations
@@ -140,6 +141,16 @@
  */
 #define CONFIG_APBH_DMA
 
+/* USB */
+#ifdef	CONFIG_CMD_USB
+#define	CONFIG_USB_EHCI
+#define	CONFIG_USB_EHCI_MXS
+#define	CONFIG_EHCI_MXS_PORT0
+#define	CONFIG_USB_MAX_CONTROLLER_COUNT 1
+#define	CONFIG_EHCI_IS_TDI
+#define	CONFIG_USB_STORAGE
+#endif
+
 /*
  * Boot Linux
  */