FADS port is getting very old, and it never had stubs implemented.
Needs an overhaul, but the only FADS board we have access to is
short of the JTAG'ish board control, so it's effectively dead.
eCosCentric has a FADS board with OCDemon interface on loan currently.
This bug has moved to http://bugs.ecos.sourceware.org/show_bug.cgi?id>23376