arm64: dts: qcom: qrb4210-rb2: Enable USB node

Enable the USB controller and HS/SS PHYs on qrb4210-rb2 board.

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Bhupesh Sharma <bhupesh.sharma@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230516150511.2346357-5-bhupesh.sharma@linaro.org