SIMPC8313 board: fix out of tree building.

Fix typo in makefile which broke out of tree builds.

Also use expolicit "rm" instead of "ln -sf" which is known to be
unreliable.

Signed-off-by: Wolfgang Denk <wd@denx.de>

nand_spl/board/sheldon/simpc8313/Makefile

@@ -62,31 +62,40 @@ $(nandobj)u-boot-spl:	$(OBJS)
 # create symbolic links for common files
 
 $(obj)start.S:
-	ln -sf $(SRCTREE)/cpu/mpc83xx/start.S $<
+	@rm -f $@
+	ln -s $(SRCTREE)/cpu/mpc83xx/start.S $@
 
 $(obj)nand_boot_fsl_elbc.c:
-	ln -sf $(SRCTREE)/nand_spl/nand_boot_fsl_elbc.c $<
+	@rm -f $@
+	ln -s $(SRCTREE)/nand_spl/nand_boot_fsl_elbc.c $@
 
 $(obj)sdram.c:
-	ln -sf $(SRCTREE)/board/$(BOARDDIR)/sdram.c $<
+	@rm -f $@
+	ln -s $(SRCTREE)/board/$(BOARDDIR)/sdram.c $@
 
 $(obj)$(BOARD).c:
-	ln -sf $(SRCTREE)/board/$(BOARDDIR)/$(BOARD).c $<
+	@rm -f $@
+	ln -s $(SRCTREE)/board/$(BOARDDIR)/$(BOARD).c $@
 
 $(obj)ns16550.c:
-	ln -sf $(SRCTREE)/drivers/serial/ns16550.c $<
+	@rm -f $@
+	ln -s $(SRCTREE)/drivers/serial/ns16550.c $@
 
 $(obj)nand_init.c:
-	ln -sf $(SRCTREE)/cpu/mpc83xx/nand_init.c $<
+	@rm -f $@
+	ln -s $(SRCTREE)/cpu/mpc83xx/nand_init.c $@
 
 $(obj)cache.c:
-	ln -sf $(SRCTREE)/lib_ppc/cache.c $<
+	@rm -f $@
+	ln -s $(SRCTREE)/lib_ppc/cache.c $@
 
 $(obj)time.c:
-	ln -sf $(SRCTREE)/lib_ppc/time.c $<
+	@rm -f $@
+	ln -s $(SRCTREE)/lib_ppc/time.c $@
 
 $(obj)ticks.S:
-	ln -sf $(SRCTREE)/lib_ppc/ticks.S $<
+	@rm -f $@
+	ln -s $(SRCTREE)/lib_ppc/ticks.S $@
 
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