First pass at some ppc init stuff.
First pass at some ppc init stuff.

Actually, everything here now is generic gdb stuff for muforth.


git-svn-id: d30bc67f9752ee73d01a47c5a6f3e1bf6c1de4c7@194 f1bc7e2d-46f1-0310-96be-f91141564092

nickhen/muforth,nickhen/muforth