staging: vt6655: 80211mgr.h add ieee80211.h header and fix conflicts

Fix conflict with WLAN_EID macros, by removing them.

This allows the adding other definitions from the ieee80211 header.

Eventually the 80211mgr.h header will be removed.

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>