Tested on AST2500.
Code for AST2400 still works.
Copy code from GNU/Linux kernel to coreboot to add AST2500 support.
Change-Id: I25bd34dd52a0acd3e04fc5818e011215ef907fad
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/34793
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@gmail.com>