Add i2c, timer and other A10 macros.

Signed-off-by: Ley Foon Tan <ley.foon.tan@intel.com>

Add the base address map for Arria10.

Signed-off-by: Dinh Nguyen <dinguyen@opensource.altera.com>
Reviewed-by: Marek Vasut <marex@denx.de>