The activate function was registered as a detach function. Put the activate function in the proper place in cfattach.
The activate function was registered as a detach function.
Put the activate function in the proper place in cfattach.

Tested by jasper@ on eeepc-900
Okay kettenis@

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