qcacld-3.0: Enable NAN and NAN datapath by default
The NAN configs gEnableNanSupport and genable_nan_datapath
are being removed from ini config file. So, enable them by
default in .h file.
Change-Id: Ibc1e91e6d010994b5e1419b2241f846e0fde8969
CRs-Fixed: 2710133