Pointed out by Gerhard Jaeger, 31 Aug 2005; cf. http://sourceware.org/ml/binutils/2005-08/msg00412.html
Using external watchdog for KUP4 boards in mpc8xx/cpu.c; load_sernum_ethaddr() for KUP4 boards in lib_ppc/board.c; various changes to KUP4 board specific files
Add support for KUP4X Board