Remove shell variable UNDEF_SYM.

UNDEF_SYM is a shell variable in the main Makefile used to force the
linker to add all u-boot commands to the final image. It has no use here.

Signed-off-by: Kenneth Johansson <kenneth@southpole.se>

nand_spl/board/amcc/acadia/Makefile

@@ -51,7 +51,7 @@ $(nandobj)u-boot-spl.bin:	$(nandobj)u-boot-spl
 	$(OBJCOPY) ${OBJCFLAGS} -O binary $< $@
 
 $(nandobj)u-boot-spl:	$(OBJS)
-	cd $(LNDIR) && $(LD) $(LDFLAGS) $$UNDEF_SYM $(__OBJS) \
+	cd $(LNDIR) && $(LD) $(LDFLAGS) $(__OBJS) \
 		-Map $(nandobj)u-boot-spl.map \
 		-o $(nandobj)u-boot-spl
 

nand_spl/board/amcc/bamboo/Makefile

@@ -50,7 +50,7 @@ $(nandobj)u-boot-spl.bin:	$(nandobj)u-boot-spl
 	$(OBJCOPY) ${OBJCFLAGS} -O binary $< $@
 
 $(nandobj)u-boot-spl:	$(OBJS)
-	cd $(LNDIR) && $(LD) $(LDFLAGS) $$UNDEF_SYM $(__OBJS) \
+	cd $(LNDIR) && $(LD) $(LDFLAGS) $(__OBJS) \
 		-Map $(nandobj)u-boot-spl.map \
 		-o $(nandobj)u-boot-spl
 

nand_spl/board/amcc/canyonlands/Makefile

@@ -55,7 +55,7 @@ $(nandobj)u-boot-spl.bin:	$(nandobj)u-boot-spl
 	$(OBJCOPY) ${OBJCFLAGS} -O binary $< $@
 
 $(nandobj)u-boot-spl:	$(OBJS)
-	cd $(LNDIR) && $(LD) $(LDFLAGS) $$UNDEF_SYM $(__OBJS) \
+	cd $(LNDIR) && $(LD) $(LDFLAGS) $(__OBJS) \
 		-Map $(nandobj)u-boot-spl.map \
 		-o $(nandobj)u-boot-spl
 

nand_spl/board/amcc/kilauea/Makefile

@@ -50,7 +50,7 @@ $(nandobj)u-boot-spl.bin:	$(nandobj)u-boot-spl
 	$(OBJCOPY) ${OBJCFLAGS} -O binary $< $@
 
 $(nandobj)u-boot-spl:	$(OBJS)
-	cd $(LNDIR) && $(LD) $(LDFLAGS) $$UNDEF_SYM $(__OBJS) \
+	cd $(LNDIR) && $(LD) $(LDFLAGS) $(__OBJS) \
 		-Map $(nandobj)u-boot-spl.map \
 		-o $(nandobj)u-boot-spl
 

nand_spl/board/amcc/sequoia/Makefile

@@ -50,7 +50,7 @@ $(nandobj)u-boot-spl.bin:	$(nandobj)u-boot-spl
 	$(OBJCOPY) ${OBJCFLAGS} -O binary $< $@
 
 $(nandobj)u-boot-spl:	$(OBJS)
-	cd $(LNDIR) && $(LD) $(LDFLAGS) $$UNDEF_SYM $(__OBJS) \
+	cd $(LNDIR) && $(LD) $(LDFLAGS) $(__OBJS) \
 		-Map $(nandobj)u-boot-spl.map \
 		-o $(nandobj)u-boot-spl