arm64: dts: qcom: qrb5165-rb5: enable displayport controller

Enable the onboard displayport controller, connect it to QMP PHY.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20230817145940.9887-4-dmitry.baryshkov@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>

arch/arm64/boot/dts/qcom/qrb5165-rb5.dts

@@ -656,6 +656,15 @@
 	status = "okay";
 };
 
+&mdss_dp {
+	status = "okay";
+};
+
+&mdss_dp_out {
+	data-lanes = <0 1>;
+	remote-endpoint = <&usb_1_qmpphy_dp_in>;
+};
+
 &mdss_dsi0 {
 	status = "okay";
 	vdda-supply = <&vreg_l9a_1p2>;
@@ -1442,3 +1451,7 @@
 		};
 	};
 };
+
+&usb_1_qmpphy_dp_in {
+	remote-endpoint = <&mdss_dp_out>;
+};