[media] ignore Documentation/DocBook/media/

It only contains generated files

Signed-off-by: Michael Jones <michael.jones@matrix-vision.de>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

Documentation/DocBook/.gitignore

@@ -8,3 +8,4 @@
 *.dvi
 *.log
 *.out
+media/