ath9k: Header file cleanup

Split the core header files into manageable pieces.

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath9k/ani.c b/drivers/net/wireless/ath9k/ani.c
index 42197ff..d75bd6e 100644
--- a/drivers/net/wireless/ath9k/ani.c
+++ b/drivers/net/wireless/ath9k/ani.c
@@ -14,10 +14,7 @@
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
-#include "core.h"
-#include "hw.h"
-#include "reg.h"
-#include "phy.h"
+#include "ath9k.h"
 
 static int ath9k_hw_get_ani_channel_idx(struct ath_hal *ah,
 					struct ath9k_channel *chan)