[fedora-arm] Fedora Alpha RC3 for aarch64

[Peter Robinson]

Fedora Alpha RC3 for aarch64 is now available for testing

Please update the test matrix
https://fedoraproject.org/wiki/Architectures/AArch64/QA/22_Alpha_RC3

The interactive install issue is fixed

http://arm.koji.fedoraproject.org/compose/22_Alpha_RC3