realtek: rename cameo specific names in "Build/*" definitions

This patch renames some Cameo specific definitions for image generation.
The same format is also used on APRESIA ApresiaLightGS series devices, not
D-Link specific.

Signed-off-by: INAGAKI Hiroshi <musashino.open@gmail.com>

target/linux/realtek/image/Makefile

@@ -9,8 +9,8 @@ DEVICE_VARS += \
         CAMEO_BOARD_VERSION \
         CAMEO_CUSTOMER_SIGNATURE \
         CAMEO_KERNEL_PART \
+        CAMEO_KERNEL_PART_SIZE \
         CAMEO_ROOTFS_PART \
-        DLINK_KERNEL_PART_SIZE \
         H3C_DEVICE_ID \
         H3C_PRODUCT_ID \
         ZYXEL_VERS
@@ -23,18 +23,18 @@ define Build/zyxel-vers
        done ) >> $@
 endef
 
-define Build/dlink-cameo
-	$(SCRIPT_DIR)/cameo-tag.py $@ $(DLINK_KERNEL_PART_SIZE)
+define Build/cameo-tag
+	$(SCRIPT_DIR)/cameo-tag.py $@ $(CAMEO_KERNEL_PART_SIZE)
 endef
 
-define Build/dlink-version
+define Build/cameo-version
 	echo -n "OpenWrt" >> $@
 	dd if=/dev/zero bs=25 count=1 >> $@
 endef
 
-define Build/dlink-headers
-        dd if=$@ bs=$(DLINK_KERNEL_PART_SIZE) count=1 of=$@.kernel_part; \
-        dd if=$@ bs=$(DLINK_KERNEL_PART_SIZE) skip=1 of=$@.rootfs_part; \
+define Build/cameo-headers
+        dd if=$@ bs=$(CAMEO_KERNEL_PART_SIZE) count=1 of=$@.kernel_part; \
+        dd if=$@ bs=$(CAMEO_KERNEL_PART_SIZE) skip=1 of=$@.rootfs_part; \
         $(SCRIPT_DIR)/cameo-imghdr.py $@.kernel_part $@.kernel_part.hex \
                 "$(DEVICE_MODEL)" os $(CAMEO_KERNEL_PART) \
                 $(CAMEO_CUSTOMER_SIGNATURE) \

target/linux/realtek/image/common.mk

@@ -9,7 +9,7 @@ define Device/d-link_dgs-1210
 	append-dtb | \
 	libdeflate-gzip | \
 	uImage gzip | \
-	dlink-cameo
+	cameo-tag
   CAMEO_KERNEL_PART := 2
   CAMEO_ROOTFS_PART := 3
   CAMEO_CUSTOMER_SIGNATURE := 2
@@ -22,8 +22,8 @@ define Device/d-link_dgs-1210
 	pad-rootfs | \
 	pad-to 16 | \
 	check-size | \
-	dlink-version | \
-	dlink-headers
+	cameo-version | \
+	cameo-headers
 endef
 
 define Device/hpe_1920