bf91135
Revert "Disable builds on POWER." and "Disable builds on s390x." POWER bug is worked around (see https://bugzilla.redhat.com/show_bug.cgi?id=1452813). s390x bug is fixed (see https://bugzilla.redhat.com/show_bug.cgi?id=1452792). This reverts commit fa3285425742b3b9af545482eb9889ba239b09be. This reverts commit 4d67ac5ae843b4b7114f4b952ce6eaa5381f5754.