tree 00b07bccb992002b276161e4f9afe2ea2a9a7994
parent 44036f0b5cddc4fb92b24044729de3e136345eb4
author Joseph Reynolds <joseph-reynolds@charter.net> 1587435555 -0500
committer Joseph Reynolds <joseph-reynolds@charter.net> 1587435761 -0500

Add design notes - UART abstraction

This adds notes from an email that explains how to serve more than one
console:
https://lists.ozlabs.org/pipermail/openbmc/2020-March/020819.html

Signed-off-by: Joseph Reynolds <joseph-reynolds@charter.net>
Change-Id: Id6e87c7b0dc421e4e7aa62f74e797ee38f9d3fb3