Revert "scsi: ufs: Avoid runtime suspend possibly being blocked forever"

This reverts commit 73e3c601.

This is a preparation change for merging android-4.14 commit
fe57a37b into msm-4.14 branch.
The reverted delta is committed already via:

a70ea9c3 scsi: ufs: enable runtime pm only after ufshcd init

Change-Id: I9695c13796ef3804886d3802d6f04e9f3e242e4a
Signed-off-by: Blagovest Kolenichev <bkolenichev@codeaurora.org>