ramips: mt7621: reorganize shared device definitions for Xiaomi

This creates a shared device definition for Xiaomi devices with
NAND and "separate" images, i.e. kernel1.bin and rootfs0.bin.

This allows to consolidate similar/duplicate code for AC2100 family
and Mi Router 3G.

Signed-off-by: Adrian Schmutzler <[email protected]>

target/linux/ramips/image/mt7621.mk

@@ -1220,39 +1220,27 @@ define Device/winstars_ws-wn583a6
 endef
 TARGET_DEVICES += winstars_ws-wn583a6
 
-define Device/xiaomi-ac2100
+define Device/xiaomi_nand_separate
   $(Device/dsa-migration)
   $(Device/uimage-lzma-loader)
+  DEVICE_VENDOR := Xiaomi
+  DEVICE_PACKAGES := uboot-envtools
   BLOCKSIZE := 128k
   PAGESIZE := 2048
   KERNEL_SIZE := 4096k
-  IMAGE_SIZE := 120320k
   UBINIZE_OPTS := -E 5
   IMAGES += kernel1.bin rootfs0.bin
   IMAGE/kernel1.bin := append-kernel
   IMAGE/rootfs0.bin := append-ubi | check-size
   IMAGE/sysupgrade.bin := sysupgrade-tar | append-metadata
-  DEVICE_VENDOR := Xiaomi
-  DEVICE_PACKAGES := kmod-mt7603 kmod-mt7615e kmod-mt7615-firmware \
-	uboot-envtools
 endef
 
 define Device/xiaomi_mi-router-3g
-  $(Device/dsa-migration)
-  $(Device/uimage-lzma-loader)
-  BLOCKSIZE := 128k
-  PAGESIZE := 2048
-  KERNEL_SIZE := 4096k
-  IMAGE_SIZE := 124416k
-  UBINIZE_OPTS := -E 5
-  IMAGES += kernel1.bin rootfs0.bin
-  IMAGE/kernel1.bin := append-kernel
-  IMAGE/rootfs0.bin := append-ubi | check-size
-  IMAGE/sysupgrade.bin := sysupgrade-tar | append-metadata
-  DEVICE_VENDOR := Xiaomi
+  $(Device/xiaomi_nand_separate)
   DEVICE_MODEL := Mi Router 3G
-  DEVICE_PACKAGES := kmod-mt7603 kmod-mt76x2 kmod-usb3 \
-	kmod-usb-ledtrig-usbport uboot-envtools
+  IMAGE_SIZE := 124416k
+  DEVICE_PACKAGES += kmod-mt7603 kmod-mt76x2 kmod-usb3 \
+	kmod-usb-ledtrig-usbport
   SUPPORTED_DEVICES += R3G mir3g xiaomi,mir3g
 endef
 TARGET_DEVICES += xiaomi_mi-router-3g
@@ -1301,14 +1289,18 @@ endef
 TARGET_DEVICES += xiaomi_mi-router-4a-gigabit
 
 define Device/xiaomi_mi-router-ac2100
-  $(Device/xiaomi-ac2100)
+  $(Device/xiaomi_nand_separate)
   DEVICE_MODEL := Mi Router AC2100
+  IMAGE_SIZE := 120320k
+  DEVICE_PACKAGES += kmod-mt7603 kmod-mt7615e kmod-mt7615-firmware
 endef
 TARGET_DEVICES += xiaomi_mi-router-ac2100
 
 define Device/xiaomi_redmi-router-ac2100
-  $(Device/xiaomi-ac2100)
+  $(Device/xiaomi_nand_separate)
   DEVICE_MODEL := Redmi Router AC2100
+  IMAGE_SIZE := 120320k
+  DEVICE_PACKAGES += kmod-mt7603 kmod-mt7615e kmod-mt7615-firmware
 endef
 TARGET_DEVICES += xiaomi_redmi-router-ac2100