arm64: dts: qcom: sm8150: Add ufs power-domain entries

Add power-domain entries for UFS phy node in sm8150 dts.

Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: Rob Herring <robh@kernel.org>
Signed-off-by: Bhupesh Sharma <bhupesh.sharma@linaro.org>
[bjorn: Dropped power-domain-names]
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220323203052.1124683-1-bhupesh.sharma@linaro.org