

Add a 250ms wait in attach if ATAPI drives present on channel. Some
ATAPI devices need a while to boot their firmware, esp. if there is a
CD in the drive. Sending them commands early causes them to wedge or
abort those commands.

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