ARM: dts: kirkwood: Remove node address from leds

leds don't have a reg property, so remove the address from the unit name.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>

arch/arm/boot/dts/kirkwood-lsxl.dtsi

@@ -133,28 +133,28 @@ &pmx_led_info &pmx_led_power
 			     &pmx_led_function_blue>;
 		pinctrl-names = "default";
 
-		led@1 {
+		func_blue {
 			label = "lsxl:blue:func";
 			gpios = <&gpio1 4 GPIO_ACTIVE_LOW>;
 		};
 
-		led@2 {
+		alarm {
 			label = "lsxl:red:alarm";
 			gpios = <&gpio1 5 GPIO_ACTIVE_LOW>;
 		};
 
-		led@3 {
+		info {
 			label = "lsxl:amber:info";
 			gpios = <&gpio1 6 GPIO_ACTIVE_LOW>;
 		};
 
-		led@4 {
+		power {
 			label = "lsxl:blue:power";
 			gpios = <&gpio1 7 GPIO_ACTIVE_LOW>;
 			default-state = "keep";
 		};
 
-		led@5 {
+		func_red {
 			label = "lsxl:red:func";
 			gpios = <&gpio1 16 GPIO_ACTIVE_LOW>;
 		};