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/DP405.h b/include/configs/DP405.h
index 912fb2a..50d44a0 100644
--- a/include/configs/DP405.h
+++ b/include/configs/DP405.h
@@ -216,7 +216,7 @@
 /*-----------------------------------------------------------------------
  * 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	/* environment starts at the beginning of the EEPROM */
 #define CFG_ENV_SIZE		0x700	/* 2048 bytes may be used for env vars*/
 				   /* total size of a CAT24WC16 is 2048 bytes */