This patch adds support for ms2 to gdb.  I unfortunately committed a part of 
this patch with the warning cleanup.  This changelog mentions that piece.

tested on ms2-elf, ok?

nathan
-- 
Nathan Sidwell    ::   http://www.codesourcery.com   ::     CodeSourcery LLC
nathan@codesourcery.com    ::     http://www.planetfall.pwp.blueyonder.co.uk