Integrate meta-seconorth-machine/dunfell_imx6ull_defconfig
requested to merge integrate/meta-seconorth-machine/dunfell_imx6ull_defconfig/into/dunfell into dunfell
Commit: seco-ne/yocto/layers/meta-seconorth-machine@49657cd5
imx6ull defconfig: add configs to support iptables