Dyamically get the `freedombone` command

src/freedombone-prep

 $SUDO sed -i "/nameserver $NAMESERVER1/a\nameserver $NAMESERVER2" $MICROSD_MOUNT_POINT/$ROOTFS/etc/resolv.conf
 
 # copy the commands to the card
-$SUDO cp -f /usr/local/bin/freedombone* $MICROSD_MOUNT_POINT/$ROOTFS/usr/local/bin/
+$SUDO cp -f $(which freedombone)* $MICROSD_MOUNT_POINT/$ROOTFS/usr/local/bin/
 if [ ! -f $MICROSD_MOUNT_POINT/$ROOTFS/usr/local/bin/freedombone ]; then
     echo 'There was a problem with writing freedombone commands to the SD card'
     exit 8736