scsi: ufs: dt-bindings: qcom: Add ICE phandle

Starting with SM8550, the ICE will have its own devicetree node so add the
qcom,ice property to reference it.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://lore.kernel.org/r/20230612192847.1599416-2-abel.vesa@linaro.org


Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>