docs/73058: Add missing device keywords to kernel entries for PF

[Marc Fonvieille]

Synopsis: Add missing device keywords to kernel entries for PF

State-Changed-From-To: open->closed
State-Changed-By: blackend
State-Changed-When: Sun Oct 24 08:40:22 GMT 2004
State-Changed-Why: 
I committed the content changes.  I also used inline tags (literal ones)
instead of block element tags.  Thanks.

http://www.freebsd.org/cgi/query-pr.cgi?pr=73058