uboot-imx

arm: socfpga: Drop the board boilerplate

Drop all the common board code, since it is not completely useless.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Chin Liang See <clsee@altera.com>
Cc: Dinh Nguyen <dinguyen@opensource.altera.com>