bin/156019: Add a menu entry to tzsetup to select UTC

[edwin at FreeBSD.org]

Synopsis: Add a menu entry to tzsetup to select UTC

Responsible-Changed-From-To: freebsd-bugs->edwin
Responsible-Changed-By: edwin
Responsible-Changed-When: Wed Mar 30 21:12:38 UTC 2011
Responsible-Changed-Why: 
Grab as requested by Daniel.

http://www.freebsd.org/cgi/query-pr.cgi?pr=156019