Revert "scsi: ufs: Schedule clk gating work on correct queue"

This reverts commit f2470959.

This is a preparation change for merging LTS tag v4.19.2 into
msm-kona branch. Reverted change is discarded due to conflict
with downstream change:

2d8e79c2 ufs: Porting UFS driver's changes from kernel msm-4.14 to msm-kona

Change-Id: Ied54b6446a42e589a450516509177cc3a480a2cf
Signed-off-by: Blagovest Kolenichev <bkolenichev@codeaurora.org>