imx: convert mx53loco board to DM_VIDEO

Migration to DM_VIDEO driver is long overdue. Update defconfig
to enable usage of converted ipuv3 driver DM configuration.

Signed-off-by: Anatolij Gustschin <agust@denx.de>
Cc: Jason Liu <jason.hui.liu@nxp.com>
Acked-by: Jason <Liu&lt;jason.hui.liu@nxp.com>