scsi: ufs-qcom: fix symbol clocks handling

We are only enabling the lane-0 symbol clock in 1-lane configuration
but it seems during disabling we are trying to disable lane-1 symbol
clocks as well even if they were never enable in 1-lane configuration,
this change fixes this minor issue.

Change-Id: I619a7c2e83a96caa338a56d53e61bba3d982ea13
Signed-off-by: Subhash Jadavani <subhashj@codeaurora.org>