arm64: dts: qcom: sm8450: Use standalone ICE node for UFS

With the ICE driver now merged let's convert the ufs node to use the new
style.

Signed-off-by: Luca Weiss <luca.weiss@fairphone.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20221209-dt-binding-ufs-v5-5-c9a58c0a53f5@fairphone.com


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