arm64: dts: marvell: Drop unused "pinctrl-names"

"pinctrl-names" depends on "pinctrl-[0-9]" properties, but none are
present for the pca9555 nodes.

Signed-off-by: Rob Herring (Arm) <[email protected]>
Signed-off-by: Gregory CLEMENT <[email protected]>

Author: robherring

arch/arm64/boot/dts/marvell/armada-7040-db.dts

@@ -124,7 +124,6 @@
 
 	expander0: pca9555@21 {
 		compatible = "nxp,pca9555";
-		pinctrl-names = "default";
 		gpio-controller;
 		#gpio-cells = <2>;
 		reg = <0x21>;

arch/arm64/boot/dts/marvell/armada-8040-db.dts

@@ -122,7 +122,6 @@
 	/* U31 */
 	expander0: pca9555@21 {
 		compatible = "nxp,pca9555";
-		pinctrl-names = "default";
 		gpio-controller;
 		#gpio-cells = <2>;
 		reg = <0x21>;
@@ -131,7 +130,6 @@
 	/* U25 */
 	expander1: pca9555@25 {
 		compatible = "nxp,pca9555";
-		pinctrl-names = "default";
 		gpio-controller;
 		#gpio-cells = <2>;
 		reg = <0x25>;

arch/arm64/boot/dts/marvell/cn9130-db.dtsi

@@ -209,7 +209,6 @@
 			/* U12 */
 			cp0_module_expander1: pca9555@21 {
 				compatible = "nxp,pca9555";
-				pinctrl-names = "default";
 				gpio-controller;
 				#gpio-cells = <2>;
 				reg = <0x21>;