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>
diff --git a/net/mac80211/rc80211_pid_algo.c b/net/mac80211/rc80211_pid_algo.c
index a199316..a849b74 100644
--- a/net/mac80211/rc80211_pid_algo.c
+++ b/net/mac80211/rc80211_pid_algo.c
@@ -14,7 +14,7 @@
 #include <linux/skbuff.h>
 #include <linux/debugfs.h>
 #include <net/mac80211.h>
-#include "ieee80211_rate.h"
+#include "rate.h"
 #include "mesh.h"
 #include "rc80211_pid.h"