selftest/reproducible: enable world reproducibility test

Add systemd and pam distro features, and commercial license flag
to include more recipes into the world set.

Signed-off-by: Alexander Kanavin <alex.kanavin@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit ed8f9494)
Signed-off-by: Steve Sakoman <steve@sakoman.com>