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/o2dnt.h b/include/configs/o2dnt.h
index 88bdb03..09995e8 100644
--- a/include/configs/o2dnt.h
+++ b/include/configs/o2dnt.h
@@ -203,7 +203,7 @@
 /*
  * Environment settings
  */
-#define CFG_ENV_IS_IN_FLASH	1
+#define CONFIG_ENV_IS_IN_FLASH	1
 #define CFG_ENV_SIZE		0x20000
 #define CFG_ENV_SECT_SIZE	0x20000
 #define CONFIG_ENV_OVERWRITE	1