Enable Devolo Magic 2 WiFi next and include packages required for G.h…

…n support

Note that for complete G.hn support some packages need to be extracted from the downstream firmware.

target/linux/ipq40xx/image/generic.mk

@@ -393,7 +393,7 @@ define Device/devolo_magic-2-wifi-next
 	IMAGE_SIZE := 26624k
 	IMAGES := sysupgrade.bin
 	IMAGE/sysupgrade.bin := append-kernel | append-rootfs | pad-rootfs | append-metadata
-	DEFAULT := n
+	DEVICE_PACKAGES := flock libcap ebtables-nft ethtool-full
 endef
 TARGET_DEVICES += devolo_magic-2-wifi-next