Integrate linux-mtk/mtk-v5.15-seco_dual-lvds

Commit: seco-ne/kernel/linux-mtk@304b5024

drivers:mediatek:mtk_dsi.c: for dual-lvds values for hback-porch,

hfront-porch and hsync-len have to be doubled

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Commit: seco-ne/kernel/linux-mtk@c4157036

dts:seco-genio-common.dtsi: ports for lvds-panel and bridge renamed

to better match dual-lvds