[media] media-entry.h: Fix a note markup

The Sphinx note markup for media_remove_intf_links() is wrong:
there's a missing space.

While here, let's auto-numerate the two notes.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

include/media/media-entity.h

@@ -968,12 +968,12 @@ void __media_remove_intf_links(struct media_interface *intf);
  *
  * @intf:	pointer to &media_interface
  *
- * ..note::
+ * .. note::
  *
- *   - This is called automatically when an entity is unregistered via
+ *   #) This is called automatically when an entity is unregistered via
  *      media_device_register_entity() and by media_devnode_remove().
  *
- *   - Prefer to use this one, instead of __media_remove_intf_links().
+ *   #) Prefer to use this one, instead of __media_remove_intf_links().
  */
 void media_remove_intf_links(struct media_interface *intf);