[magnum] Fix mesos DIB job
[magnum] Fix mesos DIB job

Pass the image filename to the validate script.

Change-Id: I9374d6b004a07aac8adbf23e7ca5d218d5f62cbc

Tesora/tesora-project-config,Tesora/tesora-project-config,openstack-infra/project-config,openstack-infra/project-config