rename CFG_ENV_IS_IN_EEPROM in CONFIG_ENV_IS_IN_EEPROM

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/include/configs/PLU405.h b/include/configs/PLU405.h
index 38c495e..75cdc2f 100644
--- a/include/configs/PLU405.h
+++ b/include/configs/PLU405.h
@@ -273,7 +273,7 @@
 /*
  * Environment Variable setup
  */
-#define CFG_ENV_IS_IN_EEPROM	1	/* use EEPROM for environment vars */
+#define CONFIG_ENV_IS_IN_EEPROM	1	/* use EEPROM for environment vars */
 #define CFG_ENV_OFFSET		0x100	/* reseve 0x100 bytes for strapping */
 #define CFG_ENV_SIZE		0x700