ARM: dts: marvell: correct gpio-keys properties

gpio-keys children do not use unit addresses.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220616005333.18491-14-krzysztof.kozlowski@linaro.org

arch/arm/boot/dts/armada-370-rd.dts

@@ -84,8 +84,6 @@ usb@51000 {
 
 			gpio-keys {
 				compatible = "gpio-keys";
-				#address-cells = <1>;
-				#size-cells = <0>;
 				button {
 					label = "Software Button";
 					linux,code = <KEY_POWER>;

arch/arm/boot/dts/armada-370-seagate-nas-xbay.dtsi

@@ -108,8 +108,6 @@ gpio-fan {
 
 	gpio-keys {
 		compatible = "gpio-keys";
-		#address-cells = <1>;
-		#size-cells = <0>;
 
 		button-power {
 			label = "Power button";

arch/arm/boot/dts/armada-370-seagate-personal-cloud.dtsi

@@ -83,8 +83,6 @@ regulator@1 {
 
 	gpio-keys {
 		compatible = "gpio-keys";
-		#address-cells = <1>;
-		#size-cells = <0>;
 
 		button-power {
 			label = "Power button";

arch/arm/boot/dts/armada-xp-axpwifiap.dts

@@ -71,8 +71,6 @@ ethernet@74000 {
 
 	gpio-keys {
 		compatible = "gpio-keys";
-		#address-cells = <1>;
-		#size-cells = <0>;
 		pinctrl-0 = <&keys_pin>;
 		pinctrl-names = "default";
 

arch/arm/boot/dts/armada-xp-linksys-mamba.dts

@@ -174,8 +174,6 @@ bm-bppi {
 
 	gpio-keys {
 		compatible = "gpio-keys";
-		#address-cells = <1>;
-		#size-cells = <0>;
 		pinctrl-0 = <&keys_pin>;
 		pinctrl-names = "default";
 

arch/arm/boot/dts/armada-xp-openblocks-ax3-4.dts

@@ -99,8 +99,6 @@ green_led {
 
 			gpio-keys {
 				compatible = "gpio-keys";
-				#address-cells = <1>;
-				#size-cells = <0>;
 
 				button-init {
 					label = "Init Button";