[][Add DSA support for NF_HNAT]

[Description]
Add DSA support for NF_HNAT

[Release-log]
N/A

Change-Id: I190fb6b95ca1d6bf513f77708062b1d788c0fd9c
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/4511305
3 files changed