Check for .packaged file and exclude packages if this file does not
exist - this avoids attempting to install empty packages during
complementary package installation within do_rootfs that didn't end up
being created (and failing as a result).
(From OE-Core rev: 4a85d8a4026cf1d1603513ed9780f80c603cc611)
Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>