net: phy: micrel: add copyright entry

Add myself to the list of copyright holders.
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/phy/micrel.c

@@ -6,6 +6,7 @@
  * Author: David J. Choi
  *
  * Copyright (c) 2010-2013 Micrel, Inc.
+ * Copyright (c) 2014 Johan Hovold <johan@kernel.org>
  *
  * This program is free software; you can redistribute  it and/or modify it
  * under  the terms of  the GNU General  Public License as published by the