arm64: dts: qcom: sm8550-mtp: Add USB PHYs and HC nodes

Enable USB HC and PHYs nodes on SM8550 MTP board.

Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230119004533.1869870-3-abel.vesa@linaro.org