arm64: dts: mt8195: Add Ethernet controller

Add Ethernet controller node for mt8195.

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Biao Huang <biao.huang@mediatek.com>
Link: https://lore.kernel.org/r/20230105010712.10116-3-biao.huang@mediatek.com


Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>