Copyright for libgpiod source package in Bionic

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: libgpiod
Source: https://git.kernel.org/pub/scm/libs/libgpiod/libgpiod.git
#The upstream changes its license type to "LGPL-2.1+"
#https://git.kernel.org/pub/scm/libs/libgpiod/libgpiod.git/commit/?h=v0.3.x&id=486b57388683fc4f404fa6cb008c5dbae6fe6c33

Files: *
Copyright: 2017, by Bartosz Golaszewski 
License:   LGPL-2.1+

Files: debian/*
Copyright: 2017 SZ Lin (林上智) 
License:   LGPL-2.1+

License:   LGPL-2.1+
 This library is free software; you can redistribute it and/or
 modify it under the terms of the GNU Lesser General Public
 License as published by the Free Software Foundation; either
 version 2.1 of the License, or (at your option) any later version.
 .
 This library 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
 Lesser General Public License for more details.
 .
 You should have received a copy of the GNU Lesser General Public
 License along with this library; if not, write to the Free Software
 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 .
 On Debian systems, the complete text of the GNU Lesser General Public License
 Version 2.1 can be found in `/usr/share/common-licenses/LGPL-2.1'.