arm64: dts: qcom: ipq8074: Add scm on IPQ8074 SoCs

Enables scm support, clock is not needed for enabling scm interface.
Signed-off-by: Gokul Sriram Palanisamy <gokulsri@codeaurora.org>
Signed-off-by: Sricharan R <sricharan@codeaurora.org>
Link: https://lore.kernel.org/r/1611984013-10201-9-git-send-email-gokulsri@codeaurora.orgSigned-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

arch/arm64/boot/dts/qcom/ipq8074.dtsi

@@ -76,6 +76,12 @@ psci {
 		method = "smc";
 	};
 
+	firmware {
+		scm {
+			compatible = "qcom,scm-ipq8074", "qcom,scm";
+		};
+	};
+
 	soc: soc {
 		#address-cells = <0x1>;
 		#size-cells = <0x1>;