ppc4xx: Katmai: Add chip_config command

This patch removes the Katmai "bootstrap" command and replaces it
with the now common command "chip_config".

Signed-off-by: Stefan Roese <sr@denx.de>
diff --git a/board/amcc/katmai/Makefile b/board/amcc/katmai/Makefile
index 318016d..168bab5 100644
--- a/board/amcc/katmai/Makefile
+++ b/board/amcc/katmai/Makefile
@@ -25,9 +25,11 @@
 
 LIB	= $(obj)lib$(BOARD).a
 
-COBJS	= $(BOARD).o cmd_katmai.o
+COBJS-y	:= $(BOARD).o
+COBJS-$(CONFIG_CMD_CHIP_CONFIG) += chip_config.o
 SOBJS	= init.o
 
+COBJS   := $(COBJS-y)
 SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
 OBJS	:= $(addprefix $(obj),$(COBJS))
 SOBJS	:= $(addprefix $(obj),$(SOBJS))