wl1251: rename wl12xx.h to wl1251.h

wl12xx.h is now only used by 1251 code, so we can rename it.

Signed-off-by: Kalle Valo <kalle.valo@nokia.com>
Reviewed-by: Vidhya Govindan <vidhya.govindan@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/wl12xx/wl1251_rx.h

@@ -27,6 +27,8 @@
 
 #include <linux/bitops.h>
 
+#include "wl1251.h"
+
 /*
  * RX PATH
  *