scsi: ufs: add ufs clocks list initialization via pci probe

Currently the clocks list is initialized only via platform probe. This
patch initialize the list via pci probe.

Change-Id: If76c0d0d5d28496a8b32d4d4a46638b3c6ef23d9
Signed-off-by: Dolev Raviv <draviv@codeaurora.org>