If running on older (like before 2.4.0) version of QEMU there is no SMI support, so never advertise SMI in FADT for the emulation. Behaviour if ACPI daemon tries to raise SMI under these conditions is unknown. Change-Id: I170058793798648c6713de1530d89ec2ac53e39a Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/41907 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Nico Huber <nico.h@gmx.de> Reviewed-by: Angel Pons <th3fanbus@gmail.com>