Provide a device instance builder that allows plugins to easily
create multiple instance IDs based on parent attributes.
Also fix a lot of the instance ID orders, so that we add more generic
IDs first, and more specific IDs after.
There's no actual hardware to test this against yet, but this is how I
would lay out a plugin if there was.
We still need to work out a generic encapsulation for the offer and
payload (for each component and bank) so this can work with LVFS and
fwupd.
