configs: pico-imx7d: Convert to DM_VIDEO

This commit convert all pico-imx7d to DM_VIDEO

Signed-off-by: Joris Offouga <offougajoris@gmail.com>
diff --git a/configs/pico-imx7d_bl33_defconfig b/configs/pico-imx7d_bl33_defconfig
index a2cddfc..ba347d2 100644
--- a/configs/pico-imx7d_bl33_defconfig
+++ b/configs/pico-imx7d_bl33_defconfig
@@ -62,5 +62,5 @@
 CONFIG_USB_ETHER=y
 CONFIG_USB_ETH_CDC=y
 CONFIG_USBNET_HOST_ADDR="de:ad:be:af:00:00"
-CONFIG_VIDEO=y
+CONFIG_DM_VIDEO=y
 CONFIG_OF_LIBFDT_OVERLAY=y