Since cbfs_core.h provides a macro that uses ntohl, make sure ntohl is available by including byteorder.h Change-Id: I9ab8cb51bd680e861b28d5130d09547bb9ab3b1f Signed-off-by: Gabe Black <gabeblack@google.com> Reviewed-on: http://review.coreboot.org/709 Tested-by: build bot (Jenkins) Reviewed-by: Peter Stuge <peter@stuge.se>