[openwrt/openwrt] ar71xx: image: simplify Embedded Wireless definitions

[LEDE Commits]

pepe2k pushed a commit to openwrt/openwrt.git, branch master:
https://git.lede-project.org/54b1be5f91f1b2fa1d59b1b86849e04ecae34668

commit 54b1be5f91f1b2fa1d59b1b86849e04ecae34668
Author: Piotr Dymacz <pepe2k at gmail.com>
AuthorDate: Mon Feb 5 18:57:55 2018 +0100

    ar71xx: image: simplify Embedded Wireless definitions
    
    Signed-off-by: Piotr Dymacz <pepe2k at gmail.com>
---
 target/linux/ar71xx/image/generic.mk | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/target/linux/ar71xx/image/generic.mk b/target/linux/ar71xx/image/generic.mk
index 5a7b89e..7440ba7 100644
--- a/target/linux/ar71xx/image/generic.mk
+++ b/target/linux/ar71xx/image/generic.mk
@@ -358,22 +358,17 @@ endef
 TARGET_DEVICES += ew-balin
 
 define Device/ew-dorin
+  $(Device/ew-balin)
   DEVICE_TITLE := Embedded Wireless Dorin Platform
-  DEVICE_PACKAGES := kmod-usb-core kmod-usb-chipidea
   BOARDNAME := EW-DORIN
   CONSOLE := ttyATH0,115200
-  IMAGE_SIZE := 16000k
-  MTDPARTS := spi0.0:256k(u-boot)ro,64k(u-boot-env),16000k(firmware),64k(art)ro
 endef
 TARGET_DEVICES += ew-dorin
 
 define Device/ew-dorin-router
+  $(Device/ew-dorin)
   DEVICE_TITLE := Embedded Wireless Dorin Router Platform
-  DEVICE_PACKAGES := kmod-usb-core kmod-usb-chipidea
   BOARDNAME := EW-DORIN-ROUTER
-  CONSOLE := ttyATH0,115200
-  IMAGE_SIZE := 16000k
-  MTDPARTS := spi0.0:256k(u-boot)ro,64k(u-boot-env),16000k(firmware),64k(art)ro
 endef
 TARGET_DEVICES += ew-dorin-router