Add property "pinctrl-names" to swap pin mode between gpio and dpi mode.
Set the dpi pins to gpio mode and output-low to avoid leakage current
when dpi disabled.
Acked-by: NRob Herring <robh@kernel.org>
Signed-off-by: NJitao Shi <jitao.shi@mediatek.com>
Signed-off-by: NChun-Kuang Hu <chunkuang.hu@kernel.org>