ARM: dts: msm: Fix ufs OCS error

OCS errors are seen due to a SMMU config mismatch
between bootloader and hlos.
Bootloader enables IO-coherency for SMMU, but hlos
has not marked the ufs device as coherent.

This causes MISMATCH_DATA_BUFFER_SIZE error.

Fix this by marking UFS device as coherent.

Change-Id: I852394aaf549652e13886210422111060a626b12