Add more kernel modules for KVM boot
Add more kernel modules for KVM boot

Fedora 21 kernels have split out some more virtio pieces into
modules rather than built-ins. Add virtio, virtio_ring,
virtio_pci, and virtio_console modules

Signed-off-by: Daniel P. Berrange <bb938cf255e055ff3507f2627d214e8e62118fcf@redhat.com>

agx/libvirt-sandbox-debian,agx/libvirt-sandbox-debian,gczarcinski/libvirt-sandbox,libvirt/libvirt-sandbox,erenyagdiran/libvirt-sandbox,agx/libvirt-sandbox-debian,erenyagdiran/libvirt-sandbox,libvirt/libvirt-sandbox,gczarcinski/libvirt-sandbox,erenyagdiran/libvirt-sandbox,gczarcinski/libvirt-sandbox,agx/libvirt-sandbox-debian,libvirt/libvirt-sandbox,gczarcinski/libvirt-sandbox,gczarcinski/libvirt-sandbox,agx/libvirt-sandbox-debian,gczarcinski/libvirt-sandbox,erenyagdiran/libvirt-sandbox