Bluetooth: host: direction: Fix compilation error

Fix compilation error caused by missing header files.
Reorganized order of header files include.

Signed-off-by: Piotr Pryga <[email protected]>

Author: ppryga-nordic

subsys/bluetooth/host/direction.c

@@ -5,12 +5,13 @@
  */
 #include <stdint.h>
 #include <assert.h>
+#include <sys/byteorder.h>
 
-#include <bluetooth/hci.h>
-#include <bluetooth/l2cap.h>
+#include <bluetooth/bluetooth.h>
 #include <bluetooth/conn.h>
+#include <bluetooth/l2cap.h>
+#include <bluetooth/hci.h>
 #include <bluetooth/direction.h>
-#include <sys/byteorder.h>
 
 #include "hci_core.h"
 #include "conn_internal.h"