arm64: dts: qcom: sm8550: Move usb-role-switch to SoC dtsi

The usb-role-switch is SM8550 SoC property, so move it from board dts
to SM8550 SoC dtsi.

Signed-off-by: Tengfei Fan <quic_tengfan@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20240531090422.158813-2-quic_tengfan@quicinc.com


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