arm64: dts: qcom: sm8350: switch to combo usb3/dp phy

The first QMP PHY is an USB3/DP combo phy, switch to the newly
documented bindings and register the clocks to the GCC
and DISPCC controllers.

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Tested-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> #SM8350-HDK
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230206-topic-sm8450-upstream-dp-controller-v6-2-d78313cbc41d@linaro.org