SerialEvent documentation: list of incompatible boards incomplete

[extrapixel]

https://www.arduino.cc/en/Reference/SerialEvent

Yun, Zero, etc are not compatible with SerialEvent. Please update list of incompatible boards.

[NicoHood]

We should better discuss to remove the API fully. I dont have the link to this commit anymore where we started the discussion.
@PaulStoffregen @cmaglie @matthijskooijman

[extrapixel]

👍

[per1234]

Fixed by arduino/reference-en#506 and arduino/reference-en#518