Next round of cleanups.  - some KNF.  - disable interrupts earlier in attach.  - give it some more time in attach to finish earlier output.  - explicit bus_space_barrier in comcnputc.  - dead code.
Next round of cleanups.
 - some KNF.
 - disable interrupts earlier in attach.
 - give it some more time in attach to finish earlier output.
 - explicit bus_space_barrier in comcnputc.
 - dead code.

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