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/MVBLUE.h b/include/configs/MVBLUE.h
index 8e247af..819e725 100644
--- a/include/configs/MVBLUE.h
+++ b/include/configs/MVBLUE.h
@@ -328,7 +328,7 @@
 #define CFG_FLASH_WRITE_TOUT	1000
 
 
-#define CFG_ENV_IS_IN_FLASH
+#define CONFIG_ENV_IS_IN_FLASH
 
 #define CFG_ENV_OFFSET		0x00010000
 #define CFG_ENV_SIZE		0x00010000