arm64: dts: qcom: msm8916: Conform to the nodename pattern PSCI subnodes

Subnodes for PSCI should start with "power-domain-", so let's adopt to
this.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Link: https://lore.kernel.org/r/20200326103932.5809-3-ulf.hansson@linaro.orgSigned-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

arch/arm64/boot/dts/qcom/msm8916.dtsi

@@ -191,31 +191,31 @@ psci {
 		compatible = "arm,psci-1.0";
 		method = "smc";
 
-		CPU_PD0: cpu-pd0 {
+		CPU_PD0: power-domain-cpu0 {
 			#power-domain-cells = <0>;
 			power-domains = <&CLUSTER_PD>;
 			domain-idle-states = <&CPU_SLEEP_0>;
 		};
 
-		CPU_PD1: cpu-pd1 {
+		CPU_PD1: power-domain-cpu1 {
 			#power-domain-cells = <0>;
 			power-domains = <&CLUSTER_PD>;
 			domain-idle-states = <&CPU_SLEEP_0>;
 		};
 
-		CPU_PD2: cpu-pd2 {
+		CPU_PD2: power-domain-cpu2 {
 			#power-domain-cells = <0>;
 			power-domains = <&CLUSTER_PD>;
 			domain-idle-states = <&CPU_SLEEP_0>;
 		};
 
-		CPU_PD3: cpu-pd3 {
+		CPU_PD3: power-domain-cpu3 {
 			#power-domain-cells = <0>;
 			power-domains = <&CLUSTER_PD>;
 			domain-idle-states = <&CPU_SLEEP_0>;
 		};
 
-		CLUSTER_PD: cluster-pd {
+		CLUSTER_PD: power-domain-cluster {
 			#power-domain-cells = <0>;
 			domain-idle-states = <&CLUSTER_RET>, <&CLUSTER_PWRDN>;
 		};