fix defines for some ehci registers. they are not used yet as they only matter for split-transactions which are not currently supported.
fix defines for some ehci registers. they are not used yet as they only
matter for split-transactions which are not currently supported.

ok deraadt@ miod@

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