This patch adds board-specific initialization for CPSW on
TI AM335X based boards. Tested on BeagleBone.
Signed-off-by: NChandan Nath <chandan.nath@ti.com>
[Ilya: split board-specific part into separate patch]
Signed-off-by: NIlya Yanok <ilya.yanok@cogentembedded.com>