ARM: dts: qcom: add generic compat string to RPM glink channels

Add the generic qcom,smd-rpm compatible to RPM nodes to follow the
schema.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Konrad Dybcio <konradybcio@kernel.org>
Link: https://lore.kernel.org/r/20240729-fix-smd-rpm-v2-4-0776408a94c5@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>

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

@@ -792,7 +792,7 @@
 			qcom,smd-edge = <15>;
 
 			rpm-requests {
-				compatible = "qcom,rpm-apq8084";
+				compatible = "qcom,rpm-apq8084", "qcom,smd-rpm";
 				qcom,smd-channels = "rpm_requests";
 
 				regulators-0 {

arch/arm/boot/dts/qcom/qcom-msm8226.dtsi

@@ -161,7 +161,7 @@
 			qcom,smd-edge = <15>;
 
 			rpm_requests: rpm-requests {
-				compatible = "qcom,rpm-msm8226";
+				compatible = "qcom,rpm-msm8226", "qcom,smd-rpm";
 				qcom,smd-channels = "rpm_requests";
 
 				rpmcc: clock-controller {

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

@@ -136,7 +136,7 @@
 			qcom,smd-edge = <15>;
 
 			rpm_requests: rpm-requests {
-				compatible = "qcom,rpm-msm8974";
+				compatible = "qcom,rpm-msm8974", "qcom,smd-rpm";
 				qcom,smd-channels = "rpm_requests";
 
 				rpmcc: clock-controller {