docs/173893: mfi supports ServeRAID M1015 / M1115, update manpage

[eadler at FreeBSD.org]

Synopsis: mfi supports ServeRAID M1015 / M1115, update manpage

Responsible-Changed-From-To: freebsd-doc->eadler
Responsible-Changed-By: eadler
Responsible-Changed-When: Thu Jan 24 06:24:21 UTC 2013
Responsible-Changed-Why: 
I'll take it.

http://www.freebsd.org/cgi/query-pr.cgi?pr=173893