Include <arch/io.h> since functions use types defined in there.
Change-Id: Iba6bcea4377359c15e3148062458186ee222b8e2
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/20004
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Philippe Mathieu-Daudé <philippe.mathieu.daude@gmail.com>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
f7ca225a7e