Revert "scsi: ufs: Release clock if DMA map fails"
* Reason for revert: "scsi: ufs: add support for hibern8 on idle"
* (ab18ee44) added ufshcd_release_all(hba) already
This reverts commit 992203a7.
Change-Id: Icafaa40c367d1a3cfae0ef88abb8c97613d1405d