qcacmn: Support for SWFDA Event & FD Frame tx

Add new WMI EVENT, SW FILS Discovery Alert Event, to get
firmware trigger to transmit FILS Discovery Frames.
Add WMI command to send FD frame buffer to firwmare.
Add WMI command to set FD period interval in mili seconds.

Change-Id: I8cb6279ec4431b9236bd32c548228a0dc6598664
CRs-Fixed: 2118098
3 files changed