scsi: ufs-msm: Fix unnecessary poll during initialization

In msm_ufs_check_hibern8(), the loop never breaks until
timeout even if the tx_fsm_val is equal to expected value.

Change-Id: I6f5ee6aea2e50ff6c88547d5e651d6cccfd25212
Signed-off-by: Sujit Reddy Thumma <sthumma@codeaurora.org>