As discussed in
https://pagure.io/fedora-infra/ansible/pull-request/2295 , this
subvariant is more usable and in line with previous practice. It
will make life a bit easier for fedora-image-uploader. This also
tweaks the config to build both ostree container images in the
IoT variant and give them explicit subvariants, instead of
building them in their own variants and relying on the variant
to be inherited as the subvariant definition too. This just
seems a bit cleaner and avoids these variants showing up in the
metadata, which reads a bit oddly.
Signed-off-by: Adam Williamson <awilliam@redhat.com>
