at91sam9: disable obsolete VIDEO config

DM_VIDEO conversion deadline has passed, disable VIDEO config.

Signed-off-by: Anatolij Gustschin <agust@denx.de>
diff --git a/configs/at91sam9g10ek_dataflash_cs0_defconfig b/configs/at91sam9g10ek_dataflash_cs0_defconfig
index 3e5632c..a5a493d 100644
--- a/configs/at91sam9g10ek_dataflash_cs0_defconfig
+++ b/configs/at91sam9g10ek_dataflash_cs0_defconfig
@@ -57,4 +57,4 @@
 CONFIG_DM_SPI=y
 CONFIG_USB=y
 CONFIG_USB_STORAGE=y
-CONFIG_LCD=y
+# CONFIG_LCD is not set