ath79: refactor devolo WiFi pro image definitions

Reuse common parts for the devolo WiFi pro series. The series is
discontinued and we support all existing devices, so changes due to new
revisions or models are highly unlikely

Signed-off-by: David Bauer <[email protected]>

target/linux/ath79/image/generic.mk

@@ -814,48 +814,41 @@ define Device/devolo_dlan-pro-1200plus-ac
 endef
 TARGET_DEVICES += devolo_dlan-pro-1200plus-ac
 
-define Device/devolo_dvl1200e
+define Device/devolo_wifi-pro
   SOC := qca9558
   DEVICE_VENDOR := devolo
-  DEVICE_MODEL := WiFi pro 1200e
   DEVICE_PACKAGES := kmod-ath10k-ct ath10k-firmware-qca988x-ct
   IMAGE_SIZE := 15936k
 endef
+
+define Device/devolo_dvl1200e
+  $(Device/devolo_wifi-pro)
+  DEVICE_MODEL := WiFi pro 1200e
+endef
 TARGET_DEVICES += devolo_dvl1200e
 
 define Device/devolo_dvl1200i
-  SOC := qca9558
-  DEVICE_VENDOR := devolo
+  $(Device/devolo_wifi-pro)
   DEVICE_MODEL := WiFi pro 1200i
-  DEVICE_PACKAGES := kmod-ath10k-ct ath10k-firmware-qca988x-ct
-  IMAGE_SIZE := 15936k
 endef
 TARGET_DEVICES += devolo_dvl1200i
 
 define Device/devolo_dvl1750c
-  SOC := qca9558
-  DEVICE_VENDOR := devolo
+  $(Device/devolo_wifi-pro)
   DEVICE_MODEL := WiFi pro 1750c
-  DEVICE_PACKAGES := kmod-ath10k-ct ath10k-firmware-qca988x-ct
-  IMAGE_SIZE := 15936k
 endef
 TARGET_DEVICES += devolo_dvl1750c
 
 define Device/devolo_dvl1750e
-  SOC := qca9558
-  DEVICE_VENDOR := devolo
+  $(Device/devolo_wifi-pro)
   DEVICE_MODEL := WiFi pro 1750e
-  DEVICE_PACKAGES := kmod-usb2 kmod-ath10k-ct ath10k-firmware-qca988x-ct
-  IMAGE_SIZE := 15936k
+  DEVICE_PACKAGES += kmod-usb2
 endef
 TARGET_DEVICES += devolo_dvl1750e
 
 define Device/devolo_dvl1750i
-  SOC := qca9558
-  DEVICE_VENDOR := devolo
+  $(Device/devolo_wifi-pro)
   DEVICE_MODEL := WiFi pro 1750i
-  DEVICE_PACKAGES := kmod-ath10k-ct ath10k-firmware-qca988x-ct
-  IMAGE_SIZE := 15936k
 endef
 TARGET_DEVICES += devolo_dvl1750i