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_main.c

@@ -31,7 +31,7 @@
 #include <linux/etherdevice.h>
 #include <linux/spi/wl12xx.h>
 
-#include "wl12xx.h"
+#include "wl1251.h"
 #include "wl12xx_80211.h"
 #include "reg.h"
 #include "wl1251_ops.h"