qmltermwidget license correction

[Artur Frenszek-Iwicki]

Hi all, the license tag on qmltermwidget [0] has been corrected from:
    GPL2+
to
    GPL-2.0-or-later AND LGPL-2.0-or-later

The only two consumers of this package in Fedora repos are:
- cool-retro-term
- qmlkonsole

Cheers,
A.FI.

[0] https://src.fedoraproject.org/rpms/qmltermwidget