Bluetooth: Rename conn.h to conn_internal.h

We'll have a public conn.h header file soon, so to avoid confusion
rename the existing conn.h to conn_internal.h.

Change-Id: I5e5c89ec184a0a2de63e244b034c55a3d97af9dc
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>

net/bluetooth/att.c

@@ -45,7 +45,7 @@
 #include <bluetooth/gatt.h>
 
 #include "hci_core.h"
-#include "conn.h"
+#include "conn_internal.h"
 #include "l2cap.h"
 #include "att.h"
 

net/bluetooth/conn.c

@@ -43,7 +43,7 @@
 #include <bluetooth/bluetooth.h>
 
 #include "hci_core.h"
-#include "conn.h"
+#include "conn_internal.h"
 #include "l2cap.h"
 
 #if !defined(CONFIG_BLUETOOTH_DEBUG_CONN)

net/bluetooth/conn_internal.h

@@ -1,4 +1,6 @@
-/* conn.h - Bluetooth connection handling */
+/*! @file
+ *  @brief Internal APIs for Bluetooth connection handling.
+ */
 
 /*
  * Copyright (c) 2015 Intel Corporation

net/bluetooth/gatt.c

@@ -44,7 +44,7 @@
 #include <bluetooth/gatt.h>
 
 #include "hci_core.h"
-#include "conn.h"
+#include "conn_internal.h"
 #include "l2cap.h"
 #include "att.h"
 

net/bluetooth/hci_core.c

@@ -45,7 +45,7 @@
 
 #include "hci_core.h"
 #include "keys.h"
-#include "conn.h"
+#include "conn_internal.h"
 #include "l2cap.h"
 
 #if !defined(CONFIG_BLUETOOTH_DEBUG_HCI_CORE)

net/bluetooth/l2cap.c

@@ -41,7 +41,7 @@
 #include <bluetooth/bluetooth.h>
 
 #include "hci_core.h"
-#include "conn.h"
+#include "conn_internal.h"
 #include "l2cap.h"
 #include "att.h"
 #include "smp.h"

net/bluetooth/smp.c

@@ -45,7 +45,7 @@
 
 #include "hci_core.h"
 #include "keys.h"
-#include "conn.h"
+#include "conn_internal.h"
 #include "l2cap.h"
 #include "smp.h"