Many recipes are currently building with setuptools3 but can use a more
modern tool: typically setuptools_build_meta but ordered-set can use
flit_core and pyrad can use poetry_core.
Signed-off-by: Ross Burton <ross.burton@arm.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Trevor Gamblin <trevor.gamblin@windriver.com>