This commit adds initial high level overview of the NuttX
make-based build system. It documents:
* Tools used during the build process
* Mechanisms set in place during the build process
Signed-off-by: Luchian Mihai <luchiann.mihai@gmail.com>
This commit makes it clear how to use the refresh.sh script to
update board configs showing differents usages cenarios.
Signed-off-by: Alan C. Assis <acassis@gmail.com>
