[][dts: mt7986: add snfi dts for 2.5Gphy board]

[Description]
Add snfi dts for 2.5Gphy board.

[Release-log]
N/A

Change-Id: Ic26db8a05d819722dbbabe5f60b9c98421451e3f
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/5064130
2 files changed