package/libmbim: fix license
libmbim library is licensed under LGPL-2.1+ since at least version 1.8.0
and
https://gitlab.freedesktop.org/mobile-broadband/libmbim/-/commit/25cc3ed88d25b17c18fb32f46f96b560834387d3
Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
(cherry picked from commit f3b31a39fdffbf738789885f6e318131055e4b9b)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>