arm64: dts: qcom: sm6115: Add SoC-specific compatible to cpufreq_hw

Add a SoC-specific compatbile to cpufreq_hw for compliancy with bindings.
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230308-topic-cpufreq_bindings-v1-6-3368473ec52d@linaro.org

arch/arm64/boot/dts/qcom/sm6115.dtsi

@@ -2282,7 +2282,7 @@ intc: interrupt-controller@f200000 {
 		};
 
 		cpufreq_hw: cpufreq@f521000 {
-			compatible = "qcom,cpufreq-hw";
+			compatible = "qcom,sm6115-cpufreq-hw", "qcom,cpufreq-hw";
 			reg = <0x0 0x0f521000 0x0 0x1000>,
 			      <0x0 0x0f523000 0x0 0x1000>;