They are pointless.  As dtc points out:
  Warning (avoid_unnecessary_addr_size):
  /mipi@ff960000:
  unnecessary #address-cells/#size-cells without "ranges" or child "reg" property

Let's remove them.
Signed-off-by: NDouglas Anderson <dianders@chromium.org>
Reviewed-by: NMatthias Kaehlcke <mka@chromium.org>
Signed-off-by: NHeiko Stuebner <heiko@sntech.de>