arm64: dts: qcom: sm8550: Remove usb default dr_mode

OTG is default usb dr_mode, so this property can be removed.

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Tengfei Fan <quic_tengfan@quicinc.com>
Link: https://lore.kernel.org/r/20240531090422.158813-3-quic_tengfan@quicinc.com


Signed-off-by: Bjorn Andersson <andersson@kernel.org>