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-hobbit-imx7d_defconfig b/configs/pico-hobbit-imx7d_defconfig
index 3ce57d1..f3ed298 100644
--- a/configs/pico-hobbit-imx7d_defconfig
+++ b/configs/pico-hobbit-imx7d_defconfig
@@ -66,4 +66,4 @@
 CONFIG_USB_GADGET_VENDOR_NUM=0x0525
 CONFIG_USB_GADGET_PRODUCT_NUM=0xa4a5
 CONFIG_CI_UDC=y
-CONFIG_VIDEO=y
+CONFIG_DM_VIDEO=y