Also removes some dead code below which uses a dongle.py binary.
Signed-off-by: Maximilian Brune <maximilian.brune@9elements.com>
Change-Id: Ia9b31a79f7637d31bbd824a8f6ad9137df429711
Reviewed-on: https://review.coreboot.org/c/coreboot/+/90818
Reviewed-by: Jérémy Compostella <jeremy.compostella@intel.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>