Blackfin: use common code to preprocess linker script

Now that the common code preprocesses the linker script, the Blackfin code
no longer needs to do it.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

lib_blackfin/Makefile

@@ -48,12 +48,9 @@ COBJS-y	+= string.o
 SRCS	:= $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c)
 OBJS	:= $(addprefix $(obj),$(SOBJS-y) $(COBJS-y))
 
-$(LIB):	$(obj).depend $(OBJS) $(obj)u-boot.lds
+$(LIB):	$(obj).depend $(OBJS)
 	$(AR) $(ARFLAGS) $@ $(OBJS)
 
-$(obj)u-boot.lds: u-boot.lds.S
-	$(CPP) $(CPPFLAGS) -D__ASSEMBLY__ -P $^ > $@
-
 #########################################################################
 
 # defines $(obj).depend target

lib_blackfin/config.mk

@@ -62,5 +62,5 @@ endif
 LDR_FLAGS += $(LDR_FLAGS-y)
 
 ifeq ($(wildcard $(TOPDIR)/board/$(BOARD)/u-boot.lds*),)
-LDSCRIPT = $(obj)lib_$(ARCH)/u-boot.lds
+LDSCRIPT = $(obj)lib_$(ARCH)/u-boot.lds.S
 endif