witherspoon: obmc-console: Mirror host console to ttyS0

This resolves openbmc/openbmc#1279 in the same way as the
Zaius patch at cd021293f1264ace3b0833e63a3f9b4a20fd1ef4.
Also, add baud-rate change per Zaius change at
dbf3fba037a7c791084b87e0de4e88316386de3c.

Change-Id: I59fddac17f0015fcf33c94aa8161dcfd81864cd4
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
2 files changed