In getabis we extract the firmware information from each of the .kos.
As we will not have those when only using buildinfo ABI information we
need to collect the firmware information during the build.

BugLink: http://bugs.launchpad.net/bugs/1806380Signed-off-by: Andy Whitcroft <apw@canonical.com>
Acked-by: Seth Forshee <seth.forshee@canonical.com>
Acked-by: Stefan Bader <stefan.bader@canonical.com>
Acked-by: Kamal Mostafa <kamal@canonical.com>
Signed-off-by: Kleber Sacilotto de Souza <kleber.souza@canonical.com>
Acked-by: Kleber Sacilotto de Souza <kleber.souza@canonical.com>
Signed-off-by: Stefan Bader <stefan.bader@canonical.com>