ppc4xx: Update Sequoia NAND booting support with ECC

Signed-off-by: Stefan Roese <sr@denx.de>
diff --git a/nand_spl/board/amcc/sequoia/Makefile b/nand_spl/board/amcc/sequoia/Makefile
index 510999d..ce39032 100644
--- a/nand_spl/board/amcc/sequoia/Makefile
+++ b/nand_spl/board/amcc/sequoia/Makefile
@@ -30,7 +30,7 @@
 CFLAGS	+= -DCONFIG_NAND_SPL
 
 SOBJS	= start.o init.o resetvec.o
-COBJS	= nand_boot.o ndfc.o sdram.o speed.o
+COBJS	= nand_boot.o nand_ecc.o ndfc.o sdram.o
 
 SRCS	:= $(addprefix $(obj),$(SOBJS:.o=.S) $(COBJS:.o=.c))
 OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS))
@@ -69,10 +69,6 @@
 	@rm -f $(obj)start.S
 	ln -s $(SRCTREE)/cpu/ppc4xx/start.S $(obj)start.S
 
-$(obj)speed.c:
-	@rm -f $(obj)speed.c
-	ln -s $(SRCTREE)/cpu/ppc4xx/speed.c $(obj)speed.c
-
 # from board directory
 $(obj)init.S:
 	@rm -f $(obj)init.S
@@ -89,6 +85,11 @@
 	@rm -f $(obj)nand_boot.c
 	ln -s $(SRCTREE)/nand_spl/nand_boot.c $(obj)nand_boot.c
 
+# from drivers/nand directory
+$(obj)nand_ecc.c:
+	@rm -f $(obj)nand_ecc.c
+	ln -s $(SRCTREE)/drivers/nand/nand_ecc.c $(obj)nand_ecc.c
+
 #########################################################################
 
 $(obj)%.o:	$(obj)%.S