arm64: dts: qcom: sm8150: Add ufs nodes

Add the ufs hc node and ufs phy nodes found in SM8150

Signed-off-by: Vinod Koul <vkoul@kernel.org>
Link: https://lore.kernel.org/r/20191106084656.1749954-1-vkoul@kernel.org


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