qcacld-3.0: Add configuration items for 6 GHZ

6 GHZ has introduced new set of frequency based APIs. Also there is
conditional usage of 6 GHZ band. Add configuration items for these.

Change-Id: I22703989ec7e6711af640f1f9d0afded46026b8a
CRs-Fixed: 2513098
6 files changed