Now we no longer try and provide increasing values from the fetcher,
we can simplify the function structure for the sortable_revision
pieces and move the AUTOINC handling directly into the function
which needs it, simplifying the code.
(Bitbake rev: fb068bee47bb1a06f02447daf16c2b2a79c03288)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>