ath6kl: move remaining content from htc_hif.h to hif.h

Now htc_hif.h can be removed.

Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
diff --git a/drivers/net/wireless/ath/ath6kl/hif.c b/drivers/net/wireless/ath/ath6kl/hif.c
index 629e16c..57c9aff 100644
--- a/drivers/net/wireless/ath/ath6kl/hif.c
+++ b/drivers/net/wireless/ath/ath6kl/hif.c
@@ -13,11 +13,11 @@
  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
+#include "hif.h"
 
 #include "core.h"
 #include "target.h"
 #include "hif-ops.h"
-#include "htc_hif.h"
 #include "debug.h"
 
 #define MAILBOX_FOR_BLOCK_SIZE          1