scsi: ufs-msm: Fix hba variant host op init and setup_clocks

Handle the case where vops->setup_clocks is called before vops->init()
from ufshcd driver.

Change-Id: I4754b658c1f37db6418560321f5dfe7a4650692b
Signed-off-by: Sahitya Tummala <stummala@codeaurora.org>