Remove m4 as it will be installed automatically by flex and bison. Change-Id: Ifb748e5aaabb96825813ddb92cf28d2ea7bdcbf9 Signed-off-by: Elyes Haouas <ehaouas@noos.fr> Reviewed-on: https://review.coreboot.org/c/coreboot/+/83156 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Martin L Roth <gaumless@gmail.com>