ARM: dts: qcom: include cpu in idle-state node names

Required for dt-schema validation.
Signed-off-by: David Heidelberg <david@ixit.cz>
Link: https://lore.kernel.org/r/20231202234832.155306-2-david@ixit.czSigned-off-by: Bjorn Andersson <andersson@kernel.org>

arch/arm/boot/dts/qcom/qcom-apq8064.dtsi

@@ -87,7 +87,7 @@ L2: l2-cache {
 		};
 
 		idle-states {
-			CPU_SPC: spc {
+			CPU_SPC: cpu-spc {
 				compatible = "qcom,idle-state-spc",
 						"arm,idle-state";
 				entry-latency-us = <400>;

arch/arm/boot/dts/qcom/qcom-apq8084.dtsi

@@ -79,7 +79,7 @@ L2: l2-cache {
 		};
 
 		idle-states {
-			CPU_SPC: spc {
+			CPU_SPC: cpu-spc {
 				compatible = "qcom,idle-state-spc",
 						"arm,idle-state";
 				entry-latency-us = <150>;

arch/arm/boot/dts/qcom/qcom-msm8974.dtsi

@@ -85,7 +85,7 @@ L2: l2-cache {
 		};
 
 		idle-states {
-			CPU_SPC: spc {
+			CPU_SPC: cpu-spc {
 				compatible = "qcom,idle-state-spc",
 						"arm,idle-state";
 				entry-latency-us = <150>;