arm64: dts: qcom: sm8550: add ports subnodes in usb/dp qmpphy node

Add the USB3+DP Combo QMP PHY port subnodes in the SM8550 SoC DTSI
to avoid duplication in the devices DTs.
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20230601-topic-sm8550-upstream-type-c-v5-4-9221cd300903@linaro.orgSigned-off-by: Bjorn Andersson <andersson@kernel.org>

arch/arm64/boot/dts/qcom/sm8550.dtsi

@@ -2839,6 +2839,32 @@ usb_dp_qmpphy: phy@88e8000 {
 			#phy-cells = <1>;
 
 			status = "disabled";
+
+			ports {
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				port@0 {
+					reg = <0>;
+
+					usb_dp_qmpphy_out: endpoint {
+					};
+				};
+
+				port@1 {
+					reg = <1>;
+
+					usb_dp_qmpphy_usb_ss_in: endpoint {
+					};
+				};
+
+				port@2 {
+					reg = <2>;
+
+					usb_dp_qmpphy_dp_in: endpoint {
+					};
+				};
+			};
 		};
 
 		usb_1: usb@a6f8800 {