Patch was updated by Jason Kridner <jkridner@beagleboard.org>:
* Use tabs to match style of other board revisions
* Only include board revisions that exist
* Default to the same configuration as the latest revision, but
  without setting 'beaglerev'
Signed-off-by: NKoen Kooi <koen@dominion.thruhere.net>
Signed-off-by: NJason Kridner <jkridner@beagleboard.org>
Signed-off-by: NSandeep Paulraj <s-paulraj@ti.com>