ARM: dts: rockchip: Remove #address/#size-cells from rk3288 mipi_dsi

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: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

arch/arm/boot/dts/rk3288.dtsi

@@ -1119,8 +1119,6 @@ mipi_dsi: mipi@ff960000 {
 		clock-names = "ref", "pclk";
 		power-domains = <&power RK3288_PD_VIO>;
 		rockchip,grf = <&grf>;
-		#address-cells = <1>;
-		#size-cells = <0>;
 		status = "disabled";
 
 		ports {