[RESEND PATCH v1] verdin-imx8mm: enable fdt overlays and env importing

[sbabic at denx.de]

> From: Igor Opaniuk <igor.opaniuk at toradex.com>
> Enable CONFIG_CMD_IMPORTENV and CONFIG_OF_LIBFDT_OVERLAY needed
> for booting regular Toradex BSP images.
> Signed-off-by: Igor Opaniuk <igor.opaniuk at toradex.com>
> Reviewed-by: Oleksandr Suvorov <oleksandr.suvorov at toradex.com>
Applied to u-boot-imx, master, thanks !

Best regards,
Stefano Babic

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