qcacld-3.0: Stop dsc transaction in case of reinit failure

Incase of any error in the driver reinit the dsc transaction is
not stopped resulting in the timeout and system instability.

To mitigate the above issue, stop the dsc timeout incase of
reinit failure.

Change-Id: I59b37581a2e6909b61a32344ae9c4af2118558eb
CRs-Fixed: 2780376