This patch enables generic board support for the following
Kirkwood-based LaCie boards:

- Network Space v2 (Mini, Lite and Max).
- Internet Space v2.
- D2 Network v2.
- 2Big Network v2.

Signed-off-by: Simon Guinot <simon.guinot@sequanux.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Simon Glass <sjg@chromium.org>