[][Update Ethernet threaded-napi support for mac80211 autobuild]

[Description]
Refactor Ethernet threaded-napi support for mac80211 autobuild.

This change is made according to OpenWrt newest submission:
https://github.com/openwrt/openwrt/commit/fdbb468c5998
d9adb1819751ffaf38013768a8eb

[Release-log]
N/A

Change-Id: Ic1a7a551175a346d00ea464216667aec9a4c7d1c
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/5900810
1 file changed