Prepare for common ACPI. Move the soc ACPI function prototypes from
cpx and skx chip.h to include/soc/acpi.h.
Change-Id: Ib7037cfb58825a2f6c25c122b95f72d5992dc04e
Signed-off-by: Marc Jones <marcjones@sysproconsulting.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/46595
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>