Fix support for sxp domain configuration files.

Signed-off-by: Christian Limpach <Christian.Limpach@cl.cam.ac.uk>

tools/python/xen/xm/create.py

@@ -905,6 +905,9 @@ def parseCommandLine(argv):
             opts.setopt('name', os.path.basename(opts.getopt('defconfig')))
         config = make_config(opts.vals)
 
+    if type(config) == str:
+        config = sxp.parse(file(config))[0]
+
     return (opts, config)