add options for 2 more queueing disciplines, PRIQ and HFSC. ok henning@ dhartmei@
add options for 2 more queueing disciplines, PRIQ and HFSC.
ok henning@ dhartmei@

orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars