meta-witherspoon: Migrate console configuration to new layout

The obmc-console has rearranged its configuration file layout to cater
to concurrent console server instances. Make use of the new layout.

Change-Id: I805240ec73b9a48f488e405b6fbc7067cd8ea94d
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
3 files changed