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/lwmon5.h b/include/configs/lwmon5.h
index 3d135c4..8413615 100644
--- a/include/configs/lwmon5.h
+++ b/include/configs/lwmon5.h
@@ -118,7 +118,7 @@
 /*-----------------------------------------------------------------------
  * Environment
  *----------------------------------------------------------------------*/
-#define CFG_ENV_IS_IN_FLASH     1	/* use FLASH for environment vars	*/
+#define CONFIG_ENV_IS_IN_FLASH     1	/* use FLASH for environment vars	*/
 
 /*-----------------------------------------------------------------------
  * FLASH related