blue-pill: update skeleton/blinky Makefile

blue-pill/blinky/Makefile

@@ -1,6 +1,7 @@
 # configurables
-OBJS :=		blinky.o
+OBJS :=		
 TARGET :=	blinky
+OBJS +=		$(TARGET).o
 
 # targets
 ELF :=		$(TARGET).elf
@@ -32,6 +33,11 @@ $(ELF): $(OBJS)
 	$(ARMCC) $(LDFLAGS) -o $@ $(OBJS) $(LDLIBS)
 	$(ARMSIZE) -A $@
 
+.PHONY: strip
+strip: $(ELF)
+	$(ARMTC)-strip $(ELF)
+	$(ARMSIZE) -A $(ELF)
+
 $(BIN): $(ELF)
 	$(OBJCOPY) -O binary $< $@