Copyright for r8168 source package in Nile V2.0

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: r8168
Source: http://www.realtek.com/downloads/downloadsView.aspx?Langid=1&PNid=13&PFid=5&Level=5&Conn=4&DownTypeID=3&GetDown=false#2
Disclaimer:
 This package is not part of the GNU/Linux Debian distribution. It is
 provided in the non-free archive area as a convenience to Debian users.
 The contents of this source package are freely licensed under the GPL-2.0+
 license, but it seems to apply binary patches to firmware, making the
 package unfit for main.

Files: *
Copyright: Copyright(c) 2022 Realtek Semiconductor Corp. All rights reserved.
           Copyright (C) 2022 Realtek NIC software team 
License: GPL-2.0+

Files: debian/*
Copyright: © 2022-2032 Openkylin Developers 
License: GPL-2.0+

License: GPL-2.0+
 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.
 .
 This package is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.
 .
 You should have received a copy of the GNU General Public License
 along with this program. If not, see 
 .
 On Debian systems, the complete text of the GNU General
 Public License version 2 can be found in "/usr/share/common-licenses/GPL-2".