arm: dts: mediatek: add USB nodes for MT7981

Add USB PHY nodes for MT7981. These are needed for USB support and also
for PCIe support as the u3 PHY can also be used for PHY.

Signed-off-by: John Crispin <john@phrozen.org>
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
1 file changed