Copyright for yaboot source package in Trusty

This is the Debian package of yaboot by Benjamin Herrenschmidt and
Ethan Benson; the newest version of the sources can be found at
.

All components of this package are licensed under the GNU General Public
License, version 2 or later.  A copy can be found in
/usr/share/common-licenses/GPL on current Debian systems.

###

   Yaboot - secondary boot loader for Linux on iMacs.

   Copyright (C) 2000 Benjamin Herrenschmidt

   portions based on "poof"

   Copyright (C) 1999 Marius Vollmer

   portions based on "quik"
   
   Copyright (C) 1996 Paul Mackerras.

   PPC64 support & Misc fixes by Peter Bergner, David Engebretsen

   Because this program is derived from the corresponding file in the
   silo-0.64 distribution, it is also

   Copyright (C) 1996 Pete A. Zaitcev
                 1996 Maurizio Plaza
                 1996 David S. Miller
                 1996 Miguel de Icaza
                 1996 Jakub Jelinek

###

## ofpath: determine OpenFirmware path from unix device node
## Copyright (C) 2010 Milan Kupcevic
## Copyright (C) 2000, 2001, 2002, 2003 Ethan Benson
## Copyright (C) 2000 Olaf Hering 

## ybin (YaBoot INstaller) installs/updates the yaboot bootloader.
## Copyright (C) 2000, 2001 Ethan Benson

## yabootconfig generates a simple /etc/yaboot.conf
## Copyright (C) 2001 Ethan Benson