arm64: dts: qcom: sm4450-qrd: add QRD4450 uart support

Add uart support for QRD4450 for enable uart console.
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Tengfei Fan <quic_tengfan@quicinc.com>
Link: https://lore.kernel.org/r/20231129103325.24854-5-quic_tengfan@quicinc.comSigned-off-by: Bjorn Andersson <andersson@kernel.org>

arch/arm64/boot/dts/qcom/sm4450-qrd.dts

@@ -10,9 +10,19 @@ / {
 	model = "Qualcomm Technologies, Inc. SM4450 QRD";
 	compatible = "qcom,sm4450-qrd", "qcom,sm4450";
 
-	aliases { };
+	aliases {
+		serial0 = &uart7;
+	};
 
 	chosen {
-		bootargs = "console=hvc0";
+		stdout-path = "serial0:115200n8";
 	};
 };
+
+&qupv3_id_0 {
+	status = "okay";
+};
+
+&uart7 {
+	status = "okay";
+};