mac80211: rename files

This patch renames all mac80211 files (except ieee80211_i.h) to get rid
of the useless ieee80211_ prefix.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/iwlwifi/iwl-3945-rs.c

@@ -37,7 +37,7 @@
 
 #include <linux/workqueue.h>
 
-#include "../net/mac80211/ieee80211_rate.h"
+#include "../net/mac80211/rate.h"
 
 #include "iwl-3945.h"