Update configuration.
diff --git a/include/configs/PCI405.h b/include/configs/PCI405.h
index 8ab253a..9cd8f5a 100644
--- a/include/configs/PCI405.h
+++ b/include/configs/PCI405.h
@@ -133,6 +133,8 @@
#undef CONFIG_ZERO_BOOTDELAY_CHECK /* check for keypress on bootdelay==0 */
+#define CONFIG_VERSION_VARIABLE 1 /* include version env variable */
+
/*-----------------------------------------------------------------------
* PCI stuff
*-----------------------------------------------------------------------