trivial: Split off a subpackage for the UX capsule data
trivial: Split off a subpackage for the UX capsule data

This makes the CoreOS image over 1Mb smaller, which is over 30% of the size of
the base fwupd package.

fwupd/fwupd,fwupd/fwupd,hughsie/fwupd,hughsie/fwupd,fwupd/fwupd,fwupd/fwupd,hughsie/fwupd,hughsie/fwupd