gnutls: Fix krb5 code license to GPLv2.1+ to match the LICENSE file.
This was discussed and accepted upstream by the project so their license is consistent.
Please reference to https://gitlab.com/gnutls/gnutls/-/issues/1018
and https://gitlab.com/gnutls/gnutls/-/merge_requests/1285.
Signed-off-by: Zheng Ruoqin <zhengrq.fnst@cn.fujitsu.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit
267d07301c79c24969c169add05284f612c41d77)
Signed-off-by: Steve Sakoman <steve@sakoman.com>
