f59a6f6857
Add YamlObject::add() functions to add children to a list or dictionary object. This will be used by the YamlParserContext to replace direct access to YamlObject member variables to decouple the two classes. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Isaac Scott <isaac.scott@ideasonboard.com> Reviewed-by: Barnabás Pőcze <barnabas.pocze@ideasonboard.com>