[Bluetooth] Update copyright information

The initial firmware loading routine for the Broadcom based chips was
written by Maxim Krasnyansky and so he also owns a copyright for this
driver.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

drivers/bluetooth/bcm203x.c

@@ -2,6 +2,7 @@
  *
  *  Broadcom Blutonium firmware driver
  *
+ *  Copyright (C) 2003  Maxim Krasnyansky <maxk@qualcomm.com>
  *  Copyright (C) 2003  Marcel Holtmann <marcel@holtmann.org>
  *
  *