I think we should update the meson.cross.template generated by this ^^^
file.

c_args， c_link_args， cpp_args， cpp_link_args have been moved to the
'[built-in options]' section. Also we need an native-file here.
That is what
06b4910c3ada5398faf9369d686b82eee441bb19 has done for OE itself.