[Buildroot] The target/device/Atmel mess

[Ulf Samuelsson]

> Hi Thiago,

> As I understood target/device/Atmel/Linux directory should be removed, right?

> BR,
> Ivan

I'll fix it as soon as I get some spare time.
Need to update the kernel support to 2.6.23 anyway

Best Regards
Ulf Samuelsson