After switching to dynamically finding the relative path for the recipe
file it's no longer to append .bb when inserting the require line into the
saved recipe.
Fixes [YOCTO #1247]
(Bitbake rev: 2d05ce4f527daa905ed64485029ebeb2b349daa6)
Signed-off-by: Joshua Lock <josh@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>