toaster.bbclass: show packages that were setscened into existence too
We were previously ignoring pkgs that came in from a setscene like from
an sstate mirror). With this patch we can use pkgs than come from sstate
for image customisation as well.
Also remove unused variable.
[YOCTO #9137]
Signed-off-by: brian avery <brian.avery@intel.com> Signed-off-by: Michael Wood <michael.g.wood@intel.com> Signed-off-by: Ross Burton <ross.burton@intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
