Bluetooth: Add ProFUSION's copyright

Add ProFUSION's copyright to some files I've been touching recently.
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>

net/bluetooth/hci_core.c

 /*
    BlueZ - Bluetooth protocol stack for Linux
    Copyright (C) 2000-2001 Qualcomm Incorporated
+   Copyright (C) 2011 ProFUSION Embedded Systems
 
    Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com>
 

net/bluetooth/l2cap_core.c

@@ -3,6 +3,7 @@
    Copyright (C) 2000-2001 Qualcomm Incorporated
    Copyright (C) 2009-2010 Gustavo F. Padovan <gustavo@padovan.org>
    Copyright (C) 2010 Google Inc.
+   Copyright (C) 2011 ProFUSION Embedded Systems
 
    Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com>
 

net/bluetooth/l2cap_sock.c

@@ -3,6 +3,7 @@
    Copyright (C) 2000-2001 Qualcomm Incorporated
    Copyright (C) 2009-2010 Gustavo F. Padovan <gustavo@padovan.org>
    Copyright (C) 2010 Google Inc.
+   Copyright (C) 2011 ProFUSION Embedded Systems
 
    Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com>