Merge pull request #1578 from lxbsz/override

packaging: try noarch repo if arch repo doesn't exist

Reviewed-by: Kyr Shatskyy <kyrylo.shatskyy@suse.com>
Reviewed-by: Jason Dillaman <dillaman@redhat.com>
Reviewed-by: Kefu Chai <kchai@redhat.com>

diff --cc docs/detailed_test_config.rst
Simple merge