When setting the LAYERSERIES_COMPAT and LAYERSERIES_CORENAMES variables,
we need to be deterministic. The random ordering from the sets was causing
unexpected reparses.
(Bitbake rev: 8c405c97430ac830837e25438e8795f6f7abbdaa)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>