ARM: dts: sun8i-a83t: Remove empty CSI port

The empty CSI port triggers a dt-validate warning. Let's align with the
other DTSI and remove it entirely, expecting the DTS to fill it.
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Jernej Skrabec <jernej.skrabec@siol.net>
Link: https://lore.kernel.org/r/20210114113538.1233933-14-maxime@cerno.tech

arch/arm/boot/dts/sun8i-a83t.dtsi

@@ -1061,9 +1061,6 @@ csi: camera@1cb0000 {
 			clock-names = "bus", "mod", "ram";
 			resets = <&ccu RST_BUS_CSI>;
 			status = "disabled";
-
-			csi_in: port {
-			};
 		};
 
 		hdmi: hdmi@1ee0000 {