arm64: dts: qcom: ipq5332: enable the download mode support

Enable the support for download mode to collect the RAM dumps if
system crashes, to perform the post mortem analysis.
Signed-off-by: Kathiravan T <quic_kathirav@quicinc.com>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230210060401.24383-2-quic_kathirav@quicinc.com

arch/arm64/boot/dts/qcom/ipq5332.dtsi

@@ -70,6 +70,7 @@ L2_0: l2-cache {
 	firmware {
 		scm {
 			compatible = "qcom,scm-ipq5332", "qcom,scm";
+			qcom,dload-mode = <&tcsr 0x6100>;
 		};
 	};
 
@@ -137,6 +138,11 @@ gcc: clock-controller@1800000 {
 				 <0>;
 		};
 
+		tcsr: syscon@1937000 {
+			compatible = "qcom,tcsr-ipq5332", "syscon";
+			reg = <0x01937000 0x21000>;
+		};
+
 		sdhc: mmc@7804000 {
 			compatible = "qcom,ipq5332-sdhci", "qcom,sdhci-msm-v5";
 			reg = <0x07804000 0x1000>, <0x07805000 0x1000>;