Wireless beaglebone variant

src/freedombone-image

     IMAGE_NAME=$'usb'
 fi
 
-if [[ $VARIANT == 'beaglebonewifi' ]]; then
+if [[ $VARIANT == 'beaglebonewifi' || $VARIANT == 'beaglebonewireless' ]]; then
+    VARIANT == 'beaglebonewifi'
     if [ ! $WIFI_SSID ]; then
         WIFI_SSID=${PROJECT_NAME}
     fi