* Add ODROID-M1 to documentation
While at it, also use the new writing style for all Hardkernel boards by
changing Odroid to ODROID.
* Add ODROID-M1 board specific documentation
* Add NVMe information
* Apply suggestions from code review
Co-authored-by: c0ffeeca7 <38767475+c0ffeeca7@users.noreply.github.com>