arm: socfpga: Add config and defconfig for Arria 10

Add config and defconfig for the Arria10 and update socfpga_common.h.

Signed-off-by: Tien Fong Chee <tien.fong.chee@intel.com>
Signed-off-by: Ley Foon Tan <ley.foon.tan@intel.com>
3 files changed