oxnas: disable usbgadget support

usbgadget was initially enabled in the hope to support gadget mode
as it seems to be supported by the hardware.
However, it currently breaks things and doesn't work anyway, so
remove the usbgadget feature.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@44407 3c298f89-4303-0410-b956-a3cf2f4a3e73

target/linux/oxnas/Makefile

@@ -10,7 +10,7 @@ ARCH:=arm
 BOARD:=oxnas
 BOARDNAME:=PLXTECH/Oxford NAS782x/OX82x
 DEVICE_TYPE:=nas
-FEATURES:=gpio nand pcie usb usbgadget ramdisk rtc squashfs ubifs
+FEATURES:=gpio nand pcie usb ramdisk rtc squashfs ubifs
 CPU_TYPE:=mpcore
 
 MAINTAINER:=Daniel Golle <daniel@makrotopia.org>