opkg: add strict package matching on removal patch

opkg: add strict package matching on removal patch

During removal, opkg is using globs to select which metadata files to
remove. The glob is too broad and sometimes can result in a package
removing the metadata from a package with a close name. Make the
matching more strict.

Fixes bugzilla 12905

Signed-off-by: Alejandro del Castillo <alejandro.delcastillo@ni.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>