We now have code in OE that needs BB_TASKDEPDATA for setscene tasks. Therefore
generate and send this data. In this case its a "pre collapsed" tree
but that is fine for the use cases in question.
(Bitbake rev: 38b857d086af43af6ea3aa60d3876a2c9b225401)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>