Add the ability to deploy an image+kernel onto an edgerouter using a master image. This is now almost done - based on the beaglebone implementation by Stefan Stanacar (see bug 6252).
Merged to master: http://git.yoctoproject.org/cgit/cgit.cgi/poky/commit/?id=57acd08270395cf6b14f408c226d52a7f6740d38
Verified in master:b664c8618753c53f23683f7673793de20f0ee072