ARM: dts: koelsch: Drop unnecessary address properties from port nodes

The vin port nodes does not have an address and thus does not need
address-cells or address size-properties.

This is flagged by dtc as follows:
 # make dtbs W=1
 arch/arm/boot/dts/r8a7791-koelsch.dtb: Warning (avoid_unnecessary_addr_size): /soc/video@e6ef0000/port: unnecessary #address-cells/#size-cells without "ranges" or child "reg" property
 arch/arm/boot/dts/r8a7791-koelsch.dtb: Warning (avoid_unnecessary_addr_size): /soc/video@e6ef1000/port: unnecessary #address-cells/#size-cells without "ranges" or child "reg" property
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>

arch/arm/boot/dts/r8a7791-koelsch.dts

@@ -849,9 +849,6 @@ &vin0 {
 	pinctrl-names = "default";
 
 	port {
-		#address-cells = <1>;
-		#size-cells = <0>;
-
 		vin0ep2: endpoint {
 			remote-endpoint = <&adv7612_out>;
 			bus-width = <24>;
@@ -870,9 +867,6 @@ &vin1 {
 	pinctrl-names = "default";
 
 	port {
-		#address-cells = <1>;
-		#size-cells = <0>;
-
 		vin1ep: endpoint {
 			remote-endpoint = <&adv7180>;
 			bus-width = <8>;