The current diagram uses a custom font that does not render correctly on
some browsers. Replace it with a common font (Courier New) instead so
that there are no rendering issues.
Signed-off-by: Carles Cufi <carles.cufi@nordicsemi.no>
Add a terminology section to the board porting guide.
This provides a single location where terminologies used for boards can
be found and linked to.
Signed-off-by: Carles Cufi <carles.cufi@nordicsemi.no>
