mac80211: TDLS: support VHT between peers

Add the AID and VHT-cap/operation IEs during TDLS setup. Remove the
block of TDLS peers when setting HT-caps of the peer station.

Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>