corenet: Disable video on P2020DS

The P2020DS build had grown too large, and video support isn't enabled
in almost any other Freescale board. Disabling it allows us to keep
building, and provides options for reenabling it later.

Signed-off-by: Andy Fleming <afleming@freescale.com>

include/configs/P2020DS.h

@@ -490,7 +490,7 @@
 #define VIDEO_IO_OFFSET		CONFIG_SYS_PCIE1_IO_VIRT
 
 /* video */
-#define CONFIG_VIDEO
+#undef CONFIG_VIDEO
 
 #if defined(CONFIG_VIDEO)
 #define CONFIG_BIOSEMU