Currently, the only way we support passing a bloblist from one stage to the next is via the BLOBLIST_FIXED mechanism. Update the Kconfig logic to express this constraint. Reviewed-by: Raymond Mao <raymondmaoca@gmail.com> Tested-by: Alexander Stein <alexander.stein@ew.tq-group.com> Signed-off-by: Tom Rini <trini@konsulko.com>