tegra: usb: Enable USB on Seaboard

Seaboard has a top port which is USB host or device, and a side port which
is host only.

Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Tom Warren <twarren@nvidia.com>

include/configs/seaboard.h

@@ -72,4 +72,11 @@
 
 #define CONFIG_ENV_SECT_SIZE    CONFIG_ENV_SIZE
 #define CONFIG_ENV_OFFSET       (CONFIG_SPI_FLASH_SIZE - CONFIG_ENV_SECT_SIZE)
+
+/* USB Host support */
+#define CONFIG_USB_EHCI
+#define CONFIG_USB_EHCI_TEGRA
+#define CONFIG_USB_STORAGE
+#define CONFIG_CMD_USB
+
 #endif /* __CONFIG_H */