Run upstream integration test suite with Fedora CI
    
    Let's add a tmt plan to read the upstream fmf metadata which contains
    a single test to run the upstream integration tests.
    
    To make this work, we also add a downstream patch with some fmf test
    script fixes that landed after 257.2 was released.
    
    We request virtualization support so we can run qemu based integration
    tests in qemu with KVM.