e channel location requested
(ABOVE, BELOW), then reject the Fat channel access

This fixes http://www.intellinuxwireless.org/bugzilla/show_bug.cgi?id=1988

("iwlwifi: checking for 40MHz mode" and "iwlwifi: check control channel
for pure 40MHz" combine with this to address the above bug. -- JWL)

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
cK