arm64: dts: marvell: Add node labels for the cpus

Aligned with what we have done for the others nodes. It will also allow
to easily modify the cpu configuration at board (or sub-SoC) level.
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>

arch/arm64/boot/dts/marvell/armada-372x.dtsi

@@ -16,7 +16,7 @@ / {
 	compatible = "marvell,armada3720", "marvell,armada3710";
 
 	cpus {
-		cpu@1 {
+		cpu1: cpu@1 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a53","arm,armv8";
 			reg = <0x1>;

arch/arm64/boot/dts/marvell/armada-37xx.dtsi

@@ -40,7 +40,7 @@ psci-area@4000000 {
 	cpus {
 		#address-cells = <1>;
 		#size-cells = <0>;
-		cpu@0 {
+		cpu0: cpu@0 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a53", "arm,armv8";
 			reg = <0>;

arch/arm64/boot/dts/marvell/armada-ap806-dual.dtsi

@@ -15,13 +15,13 @@ cpus {
 		#address-cells = <1>;
 		#size-cells = <0>;
 
-		cpu@0 {
+		cpu0: cpu@0 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a72", "arm,armv8";
 			reg = <0x000>;
 			enable-method = "psci";
 		};
-		cpu@1 {
+		cpu1: cpu@1 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a72", "arm,armv8";
 			reg = <0x001>;

arch/arm64/boot/dts/marvell/armada-ap806-quad.dtsi

@@ -15,25 +15,25 @@ cpus {
 		#address-cells = <1>;
 		#size-cells = <0>;
 
-		cpu@0 {
+		cpu0: cpu@0 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a72", "arm,armv8";
 			reg = <0x000>;
 			enable-method = "psci";
 		};
-		cpu@1 {
+		cpu1: cpu@1 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a72", "arm,armv8";
 			reg = <0x001>;
 			enable-method = "psci";
 		};
-		cpu@100 {
+		cpu2: cpu@100 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a72", "arm,armv8";
 			reg = <0x100>;
 			enable-method = "psci";
 		};
-		cpu@101 {
+		cpu3: cpu@101 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a72", "arm,armv8";
 			reg = <0x101>;

arch/arm64/boot/dts/marvell/armada-ap810-ap0-octa-core.dtsi

@@ -13,49 +13,49 @@ cpus {
 		#size-cells = <0>;
 		compatible = "marvell,armada-ap810-octa";
 
-		cpu@0 {
+		cpu0: cpu@0 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a72", "arm,armv8";
 			reg = <0x000>;
 			enable-method = "psci";
 		};
-		cpu@1 {
+		cpu1: cpu@1 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a72", "arm,armv8";
 			reg = <0x001>;
 			enable-method = "psci";
 		};
-		cpu@100 {
+		cpu2: cpu@100 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a72", "arm,armv8";
 			reg = <0x100>;
 			enable-method = "psci";
 		};
-		cpu@101 {
+		cpu3: cpu@101 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a72", "arm,armv8";
 			reg = <0x101>;
 			enable-method = "psci";
 		};
-		cpu@200 {
+		cpu4: cpu@200 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a72", "arm,armv8";
 			reg = <0x200>;
 			enable-method = "psci";
 		};
-		cpu@201 {
+		cpu5: cpu@201 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a72", "arm,armv8";
 			reg = <0x201>;
 			enable-method = "psci";
 		};
-		cpu@300 {
+		cpu6: cpu@300 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a72", "arm,armv8";
 			reg = <0x300>;
 			enable-method = "psci";
 		};
-		cpu@301 {
+		cpu7: cpu@301 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a72", "arm,armv8";
 			reg = <0x301>;