powerpc/mpc83xx: add support for new SPL

This adds arch support for PPC mpc83xx to boot "minimal" (4K) SPLs
using the new infrastructure.

Existing nand_spl targets are updated to deal with the name change
from nand_init.c to spl_minimal.c (as in theory this isn't limited
to NAND anymore).

Signed-off-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
diff --git a/nand_spl/board/sheldon/simpc8313/Makefile b/nand_spl/board/sheldon/simpc8313/Makefile
index 2a3ddac..d967846 100644
--- a/nand_spl/board/sheldon/simpc8313/Makefile
+++ b/nand_spl/board/sheldon/simpc8313/Makefile
@@ -36,7 +36,7 @@
 CFLAGS	+= -DCONFIG_NAND_SPL
 
 SOBJS	= start.o ticks.o
-COBJS	= nand_boot_fsl_elbc.o $(BOARD).o sdram.o ns16550.o nand_init.o \
+COBJS	= nand_boot_fsl_elbc.o $(BOARD).o sdram.o ns16550.o spl_minimal.o \
 	  time.o cache.o
 
 SRCS	:= $(addprefix $(obj),$(SOBJS:.o=.S) $(COBJS:.o=.c))
@@ -84,9 +84,9 @@
 	@rm -f $@
 	ln -s $(SRCTREE)/drivers/serial/ns16550.c $@
 
-$(obj)nand_init.c:
+$(obj)spl_minimal.c:
 	@rm -f $@
-	ln -s $(SRCTREE)/arch/powerpc/cpu/mpc83xx/nand_init.c $@
+	ln -s $(SRCTREE)/arch/powerpc/cpu/mpc83xx/spl_minimal.c $@
 
 $(obj)cache.c:
 	@rm -f $@