[Buildroot] [git commit master 1/1] board: update and minimize atstk100x_defconfig

[Peter Korsgaard]

commit: http://git.buildroot.net/buildroot/commit/?id=0fabb345a785dffe7bd91536c81c8ef54eb8ed43
branch: http://git.buildroot.net/buildroot/commit/?id=refs/heads/master

Use recent U-Boot and kernel version, remove target skeleton and use
the default one instead, remove useless kernel configuration, busybox
configuration and device table.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni at free-electrons.com>
Signed-off-by: Peter Korsgaard <jacmet at sunsite.dk>

Patch is too large, so refusing to show it