rename CFG_ENV_IS_NOWHERE in CONFIG_ENV_IS_NOWHERE

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/include/configs/DK1C20.h b/include/configs/DK1C20.h
index fb06689..9658278 100644
--- a/include/configs/DK1C20.h
+++ b/include/configs/DK1C20.h
@@ -117,7 +117,7 @@
 #define CONFIG_ENV_OVERWRITE			/* Serial/eth change Ok */
 
 #else
-#define	CFG_ENV_IS_NOWHERE	1		/* NO Environment	*/
+#define	CONFIG_ENV_IS_NOWHERE	1		/* NO Environment	*/
 #endif
 
 /*------------------------------------------------------------------------