lrdp-v2: docs: Set autoclass_content = 'both'

This is needed to allow __init__ methods to be documented along with
their class definition.

Change-Id: I7371bd038e3898cc97282c75e20981d9fd1cb9a5

docs/conf.py

-# Copyright (c) 2015, The Linux Foundation. All rights reserved.
+# Copyright (c) 2015-2016, The Linux Foundation. All rights reserved.
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License version 2 and
@@ -259,3 +259,5 @@ texinfo_documents = [
 
 # If true, do not generate a @detailmenu in the "Top" node's menu.
 # texinfo_no_detailmenu = False
+
+autoclass_content = 'both'