[PATCH v2 2/3] configs: pico-imx6ul: convert DM_VIDEO

[sbabic at denx.de]

> From: Wig Cheng <wig.cheng at technexion.com>
> It's due to the warning messages issue after compiled:
>   ===================== WARNING ======================
>   This board does not use CONFIG_DM_VIDEO Please update
>   the board to use CONFIG_DM_VIDEO before the v2019.07 release.
>   Failure to update by the deadline may result in board removal.
>   See doc/driver-model/migration.rst for more info.
>   ====================================================
> Enable DM_VIDEO can fix it on the stage of compilation.
> Signed-off-by: Wig Cheng <wig.cheng at technexion.com>
> Reviewed-by: Fabio Estevam <festevam at gmail.com>
Applied to u-boot-imx, master, thanks !

Best regards,
Stefano Babic

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