OpenBSD needs the same includes as NetBSD. It also doesn't have x86_64_iopl function, but amd64_iopl. Change-Id: I28273d4d87a3a77cf35412a0695325c0535e42e5 Signed-off-by: Piotr Kubaj <pkubaj@anongoth.pl> Reviewed-on: https://review.coreboot.org/19741 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Arthur Heymans <arthur@aheymans.xyz> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@gmail.com>