qcacmn: Fix nl service link module for multi driver compilation

Qcacld supports multiple driver modules instance generation with
different file names and Kbuild options. Fix driver load time and
compilation errors on this feature.

Change-Id: I1ad66d3855379a59be071f8d0c4504a9bb5ebd5b
CRs-fixed: 2208751
1 file changed