Description of problem: When changing a hardware spec's vmm, its corresponding entry in models should be updated as well. How reproducible: Steps to Reproduce: 1.Open a hw spec bug 2.change vmm value and save changes 3. Actual results: vmm values have been changed in bz db, but hwcert.models table is not updated Expected results: The hwcert.models should be updated according to the vmm changes Additional info: