dt-bindings: phy: mediatek, dsi-phy: Add support for mt8167

dt-bindings: phy: mediatek, dsi-phy: Add support for mt8167

Add support for the MediaTek mt8167 SoC: the DSI PHY found
in this chip is fully compatible with the one found in the mt2701 SoC.

Signed-off-by: Luca Leonardo Scorcia <l.scorcia@gmail.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Reviewed-by: CK Hu <ck.hu@mediatek.com>
Link: https://patchwork.kernel.org/project/dri-devel/patch/92530e0a31eca1feb822f5c5fd4ac894937dd6c7.1771863641.git.l.scorcia@gmail.com/
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>