wifi: cfg80211: reject auth/assoc to AP with our address

[ Upstream commit 5d4e04bf ]

If the AP uses our own address as its MLD address or BSSID, then
clearly something's wrong. Reject such connections so we don't
try and fail later.

Reported-by:  <syzbot+2676771ed06a6df166ad@syzkaller.appspotmail.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>