Add logic to
- Check if connect req freq is 6Ghz and security
is not allowed for 6Ghz, reject connect.
- Ignore 6Ghz APs if connect req security is invalid
for 6Ghz
Also added user config key_mgmt_mask_6ghz mask
to allow specific AKMs, by default all are allowed.
Add added user config check_6Ghz_security to enable
security checks as per spec.
Change-Id: I37518731faa4de67a49853e5ac544efa3b3ce1d6
CRs-Fixed: 2813013