[][Fix build error in HNAT]

[Description]
Fix build error in HNAT.
Only CONFIG_MEDIATEK_NETSYS_V2 support MAPE binding HNAT.

[Release-log]
N/A

Change-Id: Ie58c1dca1407045f401f912bf2b39d1ba114d03d
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/5997879
1 file changed