powerpc: mpc83xx: Do not create a symbolic link to ddr-gen2.c

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>

Makefile

@@ -861,7 +861,6 @@ clobber:	tidy
 	@rm -f $(obj)SPL
 	@rm -f $(obj)tools/xway-swap-bytes
 	@rm -f $(obj)arch/powerpc/cpu/mpc824x/bedbug_603e.c
-	@rm -f $(obj)arch/powerpc/cpu/mpc83xx/ddr-gen?.c
 	@rm -fr $(obj)include/asm/proc $(obj)include/asm/arch $(obj)include/asm
 	@rm -fr $(obj)include/generated
 	@[ ! -d $(obj)nand_spl ] || find $(obj)nand_spl -name "*" -type l -print | xargs rm -f

arch/powerpc/cpu/mpc83xx/Makefile

@@ -39,14 +39,10 @@ obj-$(CONFIG_OF_LIBFDT) += fdt.o
 obj-y += cache.o
 
 ifdef CONFIG_FSL_DDR2
-obj-$(CONFIG_MPC8349) += ddr-gen2.o
-SRCS += $(obj)ddr-gen2.c
+obj-$(CONFIG_MPC8349) += ../mpc85xx/ddr-gen2.o
 else
 obj-y += spd_sdram.o
 endif
 obj-$(CONFIG_FSL_DDR2) += law.o
 
 endif # not minimal
-
-$(obj)ddr-gen2.c:
-	ln -sf $(SRCTREE)/arch/powerpc/cpu/mpc85xx/ddr-gen2.c $(obj)ddr-gen2.c