for all mips*-*-ecoff or elf configurations.
* configure: Regenerate using autoconf 2.4.
* config/mips/{idt*.mt,tm-idt*.h}: Rename to "idt" part of the
name to "embed". Build remote-array.o along with IDT protocols.
* remote-array.c: Nuke setting the serial port to 4800 baud.
