It is finally possible to boot LEGO MINDSTORMS EV3 from the mainline
Linux kernel. This patch updates the defconfg to use the mainline kernel
instead of the custom ev3dev kernel.
[Peter: lock kernel headers version]
Signed-off-by: David Lechner <david@lechnology.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>