Merge branch 'at91-4.9-trunk/defconfig' into linux-4.9-at91

Author: noglitch

arch/arm/configs/at91_dt_defconfig

@@ -176,6 +176,7 @@ CONFIG_USB_SERIAL_GENERIC=y
 CONFIG_USB_SERIAL_FTDI_SIO=y
 CONFIG_USB_SERIAL_PL2303=y
 CONFIG_USB_GADGET=y
+CONFIG_USB_AT91=m
 CONFIG_USB_ATMEL_USBA=m
 CONFIG_USB_CONFIGFS=m
 CONFIG_USB_CONFIGFS_ACM=y