wifi: mac80211_hwsim: advertise 15 simultaneous links

Advertise MLD capabilities and operations in AP mode that
say that up to 15 links are supported simultaneously.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Reviewed-by: Gregory Greenman <gregory.greenman@intel.com>
Reviewed-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240111181514.52a1d48b67e6.Ie459df742944d24d6401683d54d2f3ac44834803@changeid


Signed-off-by: Johannes Berg <johannes.berg@intel.com>