Just like the previous tests, boots a Linux kernel on an arm target
using the virt machine.

Signed-off-by: Cleber Rosa <crosa@redhat.com>
Reviewed-by: Caio Carrara <ccarrara@redhat.com>
Message-Id: <20190312171824.5134-19-crosa@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>