arm64: dts: qcom: sm7225-fairphone-fp4: Enable UFS

Configure and enable the nodes for UFS that are used for internal
storage on FP4.

Signed-off-by: Luca Weiss <luca.weiss@fairphone.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220321133318.99406-7-luca.weiss@fairphone.com