arm64: dts: qcom: sm8550-mtp: Add UFS host controller and PHY node

Enable UFS host controller and PHY node 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/20230116141000.1831351-2-abel.vesa@linaro.org