Add usbutils req to usbhook

Change-Id: I2644a294ebea1590cae571660e3ed3b61e564ef8
Signed-off-by: Dan Kenigsberg <danken@redhat.com>
Reviewed-on: http://gerrit.ovirt.org/10893
Reviewed-by: Shahar Havivi <shavivi@redhat.com>