python3: Modify create_manifest to make it versionless
This patch improves the create_manifest script by making it
use PYTHON_MAJMIN instead of hard coded paths containing the
version number when looking at the necessary modules for
every package, the script should now be independent of the
python(3) version on which were working
Signed-off-by: Alejandro Enedino Hernandez Samaniego <alejandr@xilinx.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
