ARM: igep00x0.h: Enable raw initrd support

Now that IGEP base boards default environment use
the bootz command to boot a zImage instead of a
uImage, it makes sense to add support to supply a
raw initrd image to the kernel if needed.

Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>

include/configs/igep00x0.h

@@ -45,6 +45,7 @@
 
 #define CONFIG_OF_LIBFDT
 #define CONFIG_CMD_BOOTZ
+#define CONFIG_SUPPORT_RAW_INITRD
 
 /*
  * NS16550 Configuration