oxnas: install wireless driver on pogoplugpro

PogoPlug Pro comes with AzureWave AW-NE762H PCIe module containing
Ralink's Rt3090 chip supported by the rt2x00 driver.
Install the driver as well as wpad-basic.

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

target/linux/oxnas/image/ox820.mk

@@ -49,7 +49,7 @@ TARGET_DEVICES += akitio_mycloud
 define Device/cloudengines_pogoplugpro
   DEVICE_TITLE := Cloud Engines PogoPlug Pro (with mPCIe)
   SUPPORTED_DEVICES += pogoplug-pro
-  DEVICE_PACKAGES := kmod-usb2-oxnas kmod-usb-ledtrig-usbport
+  DEVICE_PACKAGES := kmod-usb2-oxnas kmod-usb-ledtrig-usbport kmod-rt2800-pci wpad-basic
 endef
 TARGET_DEVICES += cloudengines_pogoplugpro