Add hash of license files and include "AND LGPL-2.0-or-later".
License was clarified back in v1.5.1 release note:
* Cryptsetup and libcryptsetup is now released under GPLv2+
(GPL version 2 or any later).
Some internal code handling files (loopaes, verity, tcrypt
and crypto backend wrapp
Add hash of license files and include "OR GPL-2.0-only".
README.md states that zstd is dual licensed:
This repository represents the reference implementation, provided as an
open-source dual BSD OR GPLv2 licensed C library, and a command line
utility producing and decoding .zst, .gz, .xz and .lz4
