wl1251: rename reg.h to wl1251_reg.h

Now that wl1271 doesn't use reg.h anymore, it can be renamed to
wl1251_reg.h.

Signed-off-by: Kalle Valo <kalle.valo@nokia.com>
Reviewed-by: Vidhya Govindan <vidhya.govindan@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/wl12xx/wl1251_boot.c b/drivers/net/wireless/wl12xx/wl1251_boot.c
index 88e9cb0..592c3b5 100644
--- a/drivers/net/wireless/wl12xx/wl1251_boot.c
+++ b/drivers/net/wireless/wl12xx/wl1251_boot.c
@@ -23,7 +23,7 @@
 
 #include <linux/gpio.h>
 
-#include "reg.h"
+#include "wl1251_reg.h"
 #include "wl1251_boot.h"
 #include "wl1251_io.h"
 #include "wl1251_spi.h"