The latest revision of U-Boot requires changing the U-Boot machine names for
olimex based boards, as these were changed in U-Boot.
U-Boot tested on Olimex A20 Olinuxino
Signed-off-by: Jens Lucius <info@jenslucius.com>
Recent u-boots (e.g. 2014.04-rc) need the _config appended to work, so
add that and sync the names with boards.cfg as well.
Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>