ppc4xx: Add chip_config command to AMCC Kilauea eval board

This patch removes the "alterpll" command and replaces it with the now
ppc4xx standard "chip_config" command to configure the I2C bootstrap
EEPROM.

Signed-off-by: Stefan Roese <sr@denx.de>
diff --git a/board/amcc/kilauea/Makefile b/board/amcc/kilauea/Makefile
index df0a68f..751e9f3 100644
--- a/board/amcc/kilauea/Makefile
+++ b/board/amcc/kilauea/Makefile
@@ -25,8 +25,10 @@
 
 LIB	= $(obj)lib$(BOARD).a
 
-COBJS	= $(BOARD).o cmd_pll.o
+COBJS-y	:= $(BOARD).o
+COBJS-$(CONFIG_CMD_CHIP_CONFIG) += chip_config.o
 
+COBJS   := $(COBJS-y)
 SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
 OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS))