Add definition for the akanda router

Add a new definition to create an akanda raw image based on
openbsd5.4

Change-Id: Ie9c459115c8e02a8c119864c911d7548b888f78b
Signed-off-by: Rosario Di Somma <rosario.disomma@dreamhost.com>
Merge pull request #1 from rodis/feature/akanda54

Add definition for the akanda router