build: move Build/copy-file to image-commands.mk

This is makro is present in more than one place.

Signed-off-by: Christian Lamparter <[email protected]>

include/image-commands.mk

@@ -196,6 +196,10 @@ define Build/check-size
 	}
 endef
 
+define Build/copy-file
+	cat "$(1)" > "$@"
+endef
+
 define Build/elecom-product-header
 	$(eval product=$(word 1,$(1)))
 	$(eval fw=$(if $(word 2,$(1)),$(word 2,$(1)),$@))

target/linux/apm821xx/image/Makefile

@@ -28,10 +28,6 @@ define Build/boot-script
 		[email protected]
 endef
 
-define Build/copy-file
-	cat "$(1)" > "$@"
-endef
-
 define Build/dtb
 	$(call Image/BuildDTB,../dts/$(DEVICE_DTS).dts,[email protected],,--space $(DTB_SIZE))
 endef

target/linux/mpc85xx/image/Makefile

@@ -3,10 +3,6 @@
 include $(TOPDIR)/rules.mk
 include $(INCLUDE_DIR)/image.mk
 
-define Build/copy-file
-	cat "$(1)" > "$@"
-endef
-
 define Device/Default
   PROFILES := Default
   DEVICE_DTS := $(lastword $(subst _, ,$(1)))