uboot-envtools: ath79: add ZyXEL NBG6616 uboot env support

This adds support for ZyXEL NBG6616 uboot-env access

Signed-off-by: Christoph Krapp <[email protected]>

package/boot/uboot-envtools/files/ath79

@@ -37,7 +37,8 @@ openmesh,om5p-ac-v2|\
 ubnt,nanostation-m|\
 yuncore,a770|\
 yuncore,a782|\
-yuncore,xd4200)
+yuncore,xd4200|\
+zyxel,nbg6616)
 	ubootenv_add_uci_config "/dev/mtd1" "0x0" "0x10000" "0x10000"
 	;;
 buffalo,wzr-hp-ag300h)