msx: fix wrong device package list for I2SE Duckbill

Fix wrong package device list that is trying to remove deprecated
packages. Replace with new variant where possible.

Signed-off-by: Christian Marangi <[email protected]>

target/linux/mxs/image/Makefile

@@ -46,8 +46,8 @@ endef
 define Device/i2se_duckbill
   DEVICE_VENDOR := I2SE
   DEVICE_MODEL := Duckbill
-  DEVICE_PACKAGES := -dnsmasq -firewall -ppp -ip6tables -iptables -6relayd -mtd \
-		     uboot-envtools kmod-leds-gpio -kmod-ipt-nathelper
+  DEVICE_PACKAGES := -dnsmasq -firewall4 -ppp -ip6tables -iptables -mtd \
+		     uboot-envtools kmod-leds-gpio -kmod-nf-nathelper
   SUPPORTED_DEVICES:=i2se,duckbill
   SOC:=imx28
   DEVICE_DTS:=imx28-duckbill