[XEND] Re-add vtpm device support in XendConfig

This patch re-adds a recently removed vTPM device handling code.
I am also removing that one code part in the test script that does not
work.

Signed-off-by: Stefan Berger <stefanb@us.ibm.com>

tools/python/scripts/xapi.py

@@ -446,8 +446,6 @@ def xapi_vtpm_create(*args):
     print "Has driver type '%s'" % driver
     vtpm_rec = execute(server.VTPM.get_record, session, vtpm_uuid)
     print "Has vtpm record '%s'" % vtpm_rec
-    vm = execute(server.VTPM.get_VM, session, vtpm_uuid)
-    print "Has VM '%s'" % vm
 
 
 #

tools/python/xen/xend/XendConfig.py

@@ -945,7 +945,17 @@ class XendConfig(dict):
                 self['devices'][dev_uuid] = (dev_type, dev_info)
                 self['vbd_refs'].append(dev_uuid)                
                 return dev_uuid
-            
+
+            elif dev_type in ('vtpm'):
+                if cfg_xenapi.get('type'):
+                    dev_info['type'] = cfg_xenapi.get('type')
+
+                dev_uuid = cfg_xenapi.get('uuid', uuid.createString())
+                dev_info['uuid'] = dev_uuid
+                self['devices'][dev_uuid] = (dev_type, dev_info)
+                self['vtpm_refs'].append(dev_uuid)
+                return dev_uuid
+
         return ''
 
     def device_update(self, dev_uuid, cfg_sxp):