- $(CP) $(LINUX_DIR)/arch/arm/boot/dts/am335x*.dtb $(BIN_DIR)/dtbs/
- $(CP) $(LINUX_DIR)/arch/arm/boot/dts/omap3*.dtb $(BIN_DIR)/dtbs/
- $(CP) $(LINUX_DIR)/arch/arm/boot/dts/omap4*.dtb $(BIN_DIR)/dtbs/
+ -$(CP) $(LINUX_DIR)/arch/arm/boot/dts/am335x*.dtb $(BIN_DIR)/dtbs/
+ -$(CP) $(LINUX_DIR)/arch/arm/boot/dts/omap3*.dtb $(BIN_DIR)/dtbs/
+ -$(CP) $(LINUX_DIR)/arch/arm/boot/dts/omap4*.dtb $(BIN_DIR)/dtbs/