'Add new libvirt API.'

def baselineCPU(self, cpu, flag):

    return "<cpu    mode='custom'    match='exact'>\n                                                                                <model>Penryn</model>\n                                                                                <vendor>Intel</vendor>\n                                                                                <feature    name='xtpr'/>\n                                                                                <feature    name='tm2'/>\n                                                                                <feature    name='est'/>\n                                                                                <feature    name='vmx'/>\n                                                                                <feature    name='ds_cpl'/>\n                                                                                <feature    name='monitor'/>\n                                                                                <feature    name='pbe'/>\n                                                                                <feature    name='tm'/>\n                                                                                <feature    name='ht'/>\n                                                                                <feature    name='ss'/>\n                                                                                <feature    name='acpi'/>\n                                                                                <feature    name='ds'/>\n                                                                                <feature    name='vme'/>\n                                                                                <feature    policy='require'    name='aes'/>\n                                                                        </cpu>"
