arm64: dts: zynqmp: Remove #address/#size-cells from gpio-keys

dts reports incorrect usage of these properties in gpio-keys node.
Warning (avoid_unnecessary_addr_size): /gpio-keys: unnecessary

The patch is removing these useless properties.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>

arch/arm64/boot/dts/xilinx/zynqmp-zcu100-revC.dts

@@ -44,8 +44,6 @@ memory@0 {
 
 	gpio-keys {
 		compatible = "gpio-keys";
-		#address-cells = <1>;
-		#size-cells = <0>;
 		autorepeat;
 		sw4 {
 			label = "sw4";

arch/arm64/boot/dts/xilinx/zynqmp-zcu102-revA.dts

@@ -41,8 +41,6 @@ memory@0 {
 
 	gpio-keys {
 		compatible = "gpio-keys";
-		#address-cells = <1>;
-		#size-cells = <0>;
 		autorepeat;
 		sw19 {
 			label = "sw19";

arch/arm64/boot/dts/xilinx/zynqmp-zcu106-revA.dts

@@ -41,8 +41,6 @@ memory@0 {
 
 	gpio-keys {
 		compatible = "gpio-keys";
-		#address-cells = <1>;
-		#size-cells = <0>;
 		autorepeat;
 		sw19 {
 			label = "sw19";

arch/arm64/boot/dts/xilinx/zynqmp-zcu111-revA.dts

@@ -41,8 +41,6 @@ memory@0 {
 
 	gpio-keys {
 		compatible = "gpio-keys";
-		#address-cells = <1>;
-		#size-cells = <0>;
 		autorepeat;
 		sw19 {
 			label = "sw19";