Revert "ARM: dts: msm: disable UFS on MTP"

This reverts commit 62bdf6a4.

UFS device detection on MTP is stable with new UFS PHY configuration
hence reenable the UFS device detection for MTP.

Change-Id: Icaa5ba99fcf08d662a1df832da03ad6308f0a890
Signed-off-by: Subhash Jadavani <subhashj@codeaurora.org>