[UFS v3] UFS fixes
From: Jaegeuk Kim
Date: Sat Oct 24 2020 - 11:06:54 EST
Change log from v2:
- use active_req-- instead of __ufshcd_release to avoid UFS timeout
Change log from v1:
- remove clkgating_enable check in __ufshcd_release
- use __uhfshcd_release instead of active_req.