arm64: dts: qcom: sm6125: Add UFS nodes

Adds a UFS host controller node and its corresponding PHY to
the sm6125 platform.

Signed-off-by: Lux Aliaga <they@mint.lgbt>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230306170817.3806-5-they@mint.lgbt