Integrate linux-seco-imx/seco/lf-5.10.y/imx6_video_support

Commit: https://git.seco.com/arm/nxp/imx/develop/yocto/5.x/linux-seco-imx/-/commit/e24dca69b24db28b5708719bc66cd1721d00cb40

[iMX6][A62][LVDS] Fix backlight's PWM configuration

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Commit: https://git.seco.com/arm/nxp/imx/develop/yocto/5.x/linux-seco-imx/-/commit/377b9979f92f3c36e7369f50fba6f413ee7834bb

[iMX6][LVDS] LVDS resolution configurable via bootargs

Introduced the possibility to configure the LVDS resolution via bootargs (as wa possible into the past). Example of command line:

video=mxcfb0:dev=ldb,LDB-1280P60,datamap=spwg,if=RGB24,bpp=32

Note: this is compatible with seco_config command presents into the our U-Boot version