arm64: dts: qcom: sdm845: Add SCM DT node

Add SCM DT node to enable SCM functionality on SDM845.
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Sibi Sankar <sibis@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>

arch/arm64/boot/dts/qcom/sdm845.dtsi

@@ -233,6 +233,12 @@ sleep_clk: sleep-clk {
 		};
 	};
 
+	firmware {
+		scm {
+			compatible = "qcom,scm-sdm845", "qcom,scm";
+		};
+	};
+
 	tcsr_mutex: hwlock {
 		compatible = "qcom,tcsr-mutex";
 		syscon = <&tcsr_mutex_regs 0 0x1000>;