uboot-phytec

arm: socfpga: Move Stratix10 and Agilex clock manager common code

Move Stratix10 and Agilex clock manager common code to new header file.

Signed-off-by: Ley Foon Tan <ley.foon.tan@intel.com>
Reviewed-by: Simon Goldschmidt <simon.k.r.goldschmidt@gmail.com>