Copyright for libiio source package in Oracular

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: libiio
Upstream-Contact: Robin Getz ,
 Travis Collins , Paul Cercueil 
Source: https://github.com/analogdevicesinc/libiio/
 git archive --format=tar --prefix=libiio-0.23/ v0.23 | xz > ../../libiio_0.23.orig.tar.xz

Files: *
Copyright: 2015-2021, Analog Devices Inc.
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 full text of the GNU Lesser General Public
 License version 2.1 can be found in the file
 `/usr/share/common-licenses/LGPL-2.1'.