This adds support to build for the Olimex A20-OLinuXino-LIME

- Added a "olinuxino-a20lime" machine configuration

Signed-off-by: Christian Ege <k4230r6@gmail.com>
Merge pull request #73 from cybertux/olimex-a20-lime_v3

This adds support to build for the Olimex A20-OLinuXino-LIME