I did ask the very same Question in the coreboot mailinglist btw, didnt get an answer.
-- You received this message because you are subscribed to the Google Groups "qubes-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to qubes-users+unsubscr...@googlegroups.com. To post to this group, send email to firstname.lastname@example.org. To view this discussion on the web visit https://groups.google.com/d/msgid/qubes-users/d92eca27-a340-4548-9b12-4119e178ddb0%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.