arm64: dts: qcom: sm8250: Add UFS controller and PHY

Add nodes for the UFS controller and PHY, and enable these for the MTP
with relevant supplies specified.

Tested-by: Vinod Koul <vkoul@kernel.org>
Reviewed-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Link: https://lore.kernel.org/r/20200415061430.740854-3-bjorn.andersson@linaro.org


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