arm64: dts: qcom: sc7280: Set the default dr_mode for usb2

Set the default dr_mode for usb2 node to "otg" to enable
role-switch for EUD(Embedded USB Debugger) connector node.
Reviewed-by: NBjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: NSouradeep Chowdhury <quic_schowdhu@quicinc.com>
Link: https://lore.kernel.org/r/22fb3bbc16f3a0ae894068e4420e08ea86389817.1644339918.git.quic_schowdhu@quicinc.comSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

arch/arm64/boot/dts/qcom/sc7280-idp.dts

@@ -61,6 +61,10 @@
 	modem-init;
 };
 
+&usb_2_dwc3 {
+	dr_mode = "otg";
+};
+
 &pmk8350_rtc {
 	status = "okay";
 };