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

[LEDE Commits]

chunkeey pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/144609bb3dbed2d612031b7db62740688929161e

commit 144609bb3dbed2d612031b7db62740688929161e
Author: Christian Lamparter <chunkeey at gmail.com>
AuthorDate: Sat Jan 8 19:28:09 2022 +0100

    build: move Build/copy-file to image-commands.mk
    
    This is makro is present in more than one place.
    
    Signed-off-by: Christian Lamparter <chunkeey at gmail.com>
---
 include/image-commands.mk            | 4 ++++
 target/linux/apm821xx/image/Makefile | 4 ----
 target/linux/mpc85xx/image/Makefile  | 4 ----
 3 files changed, 4 insertions(+), 8 deletions(-)

diff --git a/include/image-commands.mk b/include/image-commands.mk
index 913e1c2411..158af853a5 100644
--- a/include/image-commands.mk
+++ b/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)),$@))
diff --git a/target/linux/apm821xx/image/Makefile b/target/linux/apm821xx/image/Makefile
index 2737a32436..f4701e9f26 100644
--- a/target/linux/apm821xx/image/Makefile
+++ b/target/linux/apm821xx/image/Makefile
@@ -28,10 +28,6 @@ define Build/boot-script
 		$@.scr
 endef
 
-define Build/copy-file
-	cat "$(1)" > "$@"
-endef
-
 define Build/dtb
 	$(call Image/BuildDTB,../dts/$(DEVICE_DTS).dts,$@.dtb,,--space $(DTB_SIZE))
 endef
diff --git a/target/linux/mpc85xx/image/Makefile b/target/linux/mpc85xx/image/Makefile
index b9582a2552..2b81884032 100644
--- a/target/linux/mpc85xx/image/Makefile
+++ b/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)))