[make] Provide built command in the module output (#6160)
It may happen operator wants to get the built command instead of all the
parameters. This change injects a new entry in the dict output, showing
what command way actually launched.
This patch also takes the opportunity to add missing dots to some
documentation lines.
(cherry picked from commit a49ad340af)
Co-authored-by: Cédric Jeanneret <39397510+cjeanner@users.noreply.github.com>
