arm64: dts: exynos990: Rename and sort PMU nodes

These nodes were sorted by name, but it's nice to have the same class of
devices together. As such, drop the pmu suffix and add "pmu" as a prefix.
This keeps consistency between other Exynos SoCs too.

Signed-off-by: Igor Belwon <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Krzysztof Kozlowski <[e-mail]>

arch/arm64/boot/dts/exynos/exynos990.dtsi

···
 		pinctrl6 = &pinctrl_vts;
 	};
 
-	arm-a55-pmu {
-		compatible = "arm,cortex-a55-pmu";
-		interrupts = <GIC_SPI 163 IRQ_TYPE_LEVEL_HIGH>,
-			     <GIC_SPI 164 IRQ_TYPE_LEVEL_HIGH>,
-			     <GIC_SPI 165 IRQ_TYPE_LEVEL_HIGH>,
-			     <GIC_SPI 166 IRQ_TYPE_LEVEL_HIGH>;
-
-		interrupt-affinity = <&cpu0>,
-				     <&cpu1>,
-				     <&cpu2>,
-				     <&cpu3>;
-	};
-
-	arm-a76-pmu {
-		compatible = "arm,cortex-a76-pmu";
-		interrupts = <GIC_SPI 167 IRQ_TYPE_LEVEL_HIGH>,
-			     <GIC_SPI 168 IRQ_TYPE_LEVEL_HIGH>;
-
-		interrupt-affinity = <&cpu4>,
-				     <&cpu5>;
-	};
-
-	mongoose-m5-pmu {
-		compatible = "samsung,mongoose-pmu";
-		interrupts = <GIC_SPI 180 IRQ_TYPE_LEVEL_HIGH>,
-			     <GIC_SPI 181 IRQ_TYPE_LEVEL_HIGH>;
-
-		interrupt-affinity = <&cpu6>,
-				     <&cpu7>;
-	};
-
 	cpus {
 		#address-cells = <1>;
 		#size-cells = <0>;
···
 		compatible = "fixed-clock";
 		#clock-cells = <0>;
 		clock-output-names = "oscclk";
+	};
+
+	pmu-a55 {
+		compatible = "arm,cortex-a55-pmu";
+		interrupts = <GIC_SPI 163 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 164 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 165 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 166 IRQ_TYPE_LEVEL_HIGH>;
+
+		interrupt-affinity = <&cpu0>,
+				     <&cpu1>,
+				     <&cpu2>,
+				     <&cpu3>;
+	};
+
+	pmu-a76 {
+		compatible = "arm,cortex-a76-pmu";
+		interrupts = <GIC_SPI 167 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 168 IRQ_TYPE_LEVEL_HIGH>;
+
+		interrupt-affinity = <&cpu4>,
+				     <&cpu5>;
+	};
+
+	pmu-mongoose-m5 {
+		compatible = "samsung,mongoose-pmu";
+		interrupts = <GIC_SPI 180 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 181 IRQ_TYPE_LEVEL_HIGH>;
+
+		interrupt-affinity = <&cpu6>,
+				     <&cpu7>;
 	};
 
 	psci {