scsi: ufs: fix clock ungate checks for AH8 error in err handler

Change 71cae0a3
('scsi: ufs: fix a race condition between err handler and clock gate work')
fixes a race condition but it makes err_handler skip ufshcd_hold for auto
hibern8 error scenarios. This change fixes it by setting eh_in_progress
flags in link recovery path before it starts err_handler, so that when
err_handler tries to ungate clocks, ufshcd_hold only increases the clock
usage counter without actually flushing the gate work.

Change-Id: I599c5f15de32e1c2601d8589324b6b858a1ac747
Signed-off-by: Can Guo <cang@codeaurora.org>