[][kernel][mt7988][eth][Add tx filter finetune for switch gphy]

[Description]
Add tx filter finetune for switch gphy

[Release-log]
N/A

Change-Id: Ifbc20ca17c8d57d5687a945cf3a39a80e77e8751
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/6580413
Build: srv_hbgsm110
1 file changed