You should be posting to the devel@ mailing list instead.
To answer your question, this is not supported in zephyr.
<builds@...> on behalf of "Zha, Qipeng" <qipeng.zha@...>
In Linux, there will be some driver modules are external, can be put outside in linux kernel tree and build with a simple Makefile.
For zephyr, is there similar usage can work as this ? thx.