Patch by Klaus Heydeck, 12 May 2004:
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
diff --git a/board/kup/kup4x/Makefile b/board/kup/kup4x/Makefile
index 5732044..62d289b 100644
--- a/board/kup/kup4x/Makefile
+++ b/board/kup/kup4x/Makefile
@@ -25,7 +25,7 @@
 
 LIB	= lib$(BOARD).a
 
-OBJS	= $(BOARD).o ../common/flash.o ../common/kup.o
+OBJS	= $(BOARD).o ../common/flash.o ../common/kup.o ../common/load_sernum_ethaddr.o
 
 $(LIB):	.depend $(OBJS)
 	$(AR) crv $@ $(OBJS)