ARM: dts: msm: put dependency of dma-heap on SCM

Enforce dependency of dma heap driver on SCM driver
without which it will not work and this is in
the preparation of adding interconnect voting
in SCM node which if it gets added without this
change dma heap driver can result in NULL pointer
issue.

Change-Id: I641e2e1c7692dfd52dd1efa75064fbc8f2228fe2
Signed-off-by: Sayali Patil <quic_sayapati@quicinc.com>

qcom/monaco-dma-heaps.dtsi

@@ -8,6 +8,7 @@
 &soc {
 	qcom,dma-heaps {
 		compatible = "qcom,dma-heaps";
+		depends-on-supply = <&qcom_scm>;
 
 		qcom,qseecom {
 			qcom,dma-heap-name = "qcom,qseecom";

qcom/monaco.dtsi

@@ -351,7 +351,7 @@
 };
 
 &firmware {
-	scm {
+	qcom_scm: scm {
 		compatible = "qcom,scm";
 		qcom,dload-mode = <&tcsr 0x13000>;
 	};