The kernel-doc script identified a large number of documentation
issues in dp/wifi3.0/dp_htt.[ch], so fix those issues. In addition,
there are a number of instances where public functions have their
implementation documented instead of having their interface
documented, so move that documentation.
Change-Id: Ic8eb4c5e7f04de45a785aa4278cb97f1895e53d1
CRs-Fixed: 3373162