add a couple of fields needed for buffer flipping, and change systat to show useful info in systat io instead of goo
add a couple of fields needed for buffer flipping, and change systat to
show useful info in systat io instead of goo

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