...
Your changes will now show up as Pull Requests in the original NuttX repository at https://github.com/apache/incubator-nuttx
After your Pull-Request has been accepted, you will need to syncrhonize your fork with the upstream. Instructions for doing this are available here: https://help.github.com/en/github/collaborating-with-issues-and-pull-requests/syncing-a-fork
REVISIT: By emailing a patch: Describe how to make the relevant patch(es) (git format-patch) and send them to dev@nuttx.apache.org.
...