at91: move usb driver to drivers/usb

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/include/configs/afeb9260.h b/include/configs/afeb9260.h
index fa27119..72881ab 100644
--- a/include/configs/afeb9260.h
+++ b/include/configs/afeb9260.h
@@ -122,6 +122,7 @@
 #define CONFIG_NET_RETRY_COUNT		20
 
 /* USB */
+#define CONFIG_USB_ATMEL
 #define CONFIG_USB_OHCI_NEW		1
 #define CONFIG_DOS_PARTITION		1
 #define CONFIG_SYS_USB_OHCI_CPU_INIT		1