This patch adds HT IE in the scan list that is returned to user level
through wext. This is useful to let wpa_supplicant if a bss supports 11n or
not: WEP and TKIP are not supported in 11n.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>