Gdb does not support target mips-mips-rtems

[araes]

-
> The current snapshots have a thread-aware gdb serial stub for the mips.
> I worked with Greg Menke to get it to work.

I have that latest snapshot and was unable to get thread awareness working.

> FWIW this work is architected so that it should be relatively painless
> to use the thread specific part on any CPU.

FWIW, I agree. Maybe the problem was due to my old tools, or just my lack of
knowledge and limited skills, time will tell about that.

:)