OSARM upstream submission licensing notice

1. The patch modifies GNU GMP 6.3.0 mini-gmp/mini-gmp.c.
   That upstream file is dual-licensed, at the recipient's choice, under:
   - GNU Lesser General Public License version 3 or later; OR
   - GNU General Public License version 2 or later.
   The patch contribution is offered under the same upstream terms.

2. OSARM-authored reports, environment summaries, test orchestration and
   evidence metadata in this submission are offered under Apache-2.0.

3. This package does not redistribute the complete GMP source tree.
   Any upstream source context shown in the patch remains governed by GMP's
   upstream license terms and copyright notices.

4. Included license texts:
   LICENSES/LGPL-3.0.txt
   LICENSES/GPL-2.0.txt
   LICENSES/Apache-2.0.txt
