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/MPC837XEMDS.h b/include/configs/MPC837XEMDS.h
index f9c1b17..220c148 100644
--- a/include/configs/MPC837XEMDS.h
+++ b/include/configs/MPC837XEMDS.h
@@ -427,7 +427,7 @@
 	#define CFG_ENV_SIZE		0x2000
 #else
 	#define CFG_NO_FLASH		1	/* Flash is not usable now */
-	#define CFG_ENV_IS_NOWHERE	1	/* Store ENV in memory only */
+	#define CONFIG_ENV_IS_NOWHERE	1	/* Store ENV in memory only */
 	#define CFG_ENV_ADDR		(CFG_MONITOR_BASE - 0x1000)
 	#define CFG_ENV_SIZE		0x2000
 #endif