Copyright for loadlin source package in Focal

The Debian maintainer for loadlin is Samuel Thibault  now.

Loadlin is available from http://youpibouh.thefreecat.org/loadlin/

Upstream author: Hans Lermen 
Upstream maintainer: Samuel Thibault 

   LOADLIN v1.6 Copyright (C) 1994..1996 Hans Lermen (lermen@elserv.ffm.fgan.de)
   (C) 2007..2008 Samuel Thibault (samuel.thibault@ens-lyon.org)

Loadlin is licensed under the GNU General Public License version 2 or any later
version, a copy of which may be found in /usr/share/common-licenses/GPL.

loadlin was originally debianized by Christoph Lameter on October 1, 1996,
and maintained by Martin Mitchell  then Lenart Janos
, and now Samuel Thibault