rename CFG_ENV_IS_IN_FLASH in CONFIG_ENV_IS_IN_FLASH

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/include/configs/CU824.h b/include/configs/CU824.h
index f36d8da..3320c9a 100644
--- a/include/configs/CU824.h
+++ b/include/configs/CU824.h
@@ -271,7 +271,7 @@
 	/* Warining: environment is not EMBEDDED in the U-Boot code.
 	 * It's stored in flash separately.
 	 */
-#define CFG_ENV_IS_IN_FLASH	    1
+#define CONFIG_ENV_IS_IN_FLASH	    1
 #if 0
 #define CFG_ENV_ADDR		0xFF008000
 #define CFG_ENV_SIZE		0x8000	/* Size of the Environment Sector	*/