Some repositories may specify a relative submodule path. If this happens,
it is our responsibility to use the parents URL (ud) and handle any relative
processing ourselves.
(Bitbake rev: fd9893c338df7828b2c01f1d548aa86dfcf7c50a)
Signed-off-by: Mark Hatle <mark.hatle@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>