For llvm, the s390x scratch build takes significantly longer than the others. Combined with https://pagure.io/fedora-ci/general/issue/493 it causes a lot of load on koji, and combined with https://pagure.io/fedora-ci/general/issue/485 it means that we always hit the jenkins timeout and results are not reported back.

It would be nice if we could disable the scratch build just for s390x, but it doesn't seem like it's possible to configure this currently.