[][Add mt7981 i2c node to dtsi]

[Description]
Add mt7981 i2c node to dtsi

[Release-log]
N/A

Change-Id: Ia56de8c72ecea15d2ca6a78651f96b2449a7607b
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/5329328
1 file changed