Copyright for dkms source package in Xenial

Source: http://linux.dell.com/dkms/

Files: debian/HOWTO.Debian
Copyright: © 2008, Dell, Inc. 
                   Mario Limonciello 
License: GPL-2+
 This package is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation; either version 2 of the License, or
 (at your option) any later version.

Files: debian/*
Copyright: © 2008-2009, David Paleino 
           © 2005-2008, Matt Domsch 
           © 2008-2009, Mario Limonciello 
           © 2008-2009, Giuseppe Iuculano 
License: GPL-2+

Files: *
Copyright: © 2003-2009, Dell, Inc. 
License: GPL-2+

On Debian systems, the complete text of the GNU General
Public License v2 can be found in `/usr/share/common-licenses/GPL-2'.