Description of problem: currently, sound card device params are not passed from backend, hence. vdsm doesn't build and such device and inject to XML. The behavior was changed due to stable PCI devices feature, and we need to make sound card device a managed device.
http://gerrit.ovirt.org/#change,3240
closing ON_QA bugs as oVirt 3.1 was released: http://www.ovirt.org/get-ovirt/