doc-rst: add stand-alone conf.py to media folder

With the media/conf.py, and media/index.rst the media folder can be
build and distributed stand-alone.

Signed-off-by: Markus Heiser <markus.heiser@darmarIT.de>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
diff --git a/Documentation/media/conf.py b/Documentation/media/conf.py
new file mode 100644
index 0000000..62bdba2
--- /dev/null
+++ b/Documentation/media/conf.py
@@ -0,0 +1,3 @@
+# -*- coding: utf-8; mode: python -*-
+
+project = 'Linux Media Subsystem Documentation'