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/board/LEOX/elpt860/flash.c b/board/LEOX/elpt860/flash.c
index c1b3b85..d77af35 100644
--- a/board/LEOX/elpt860/flash.c
+++ b/board/LEOX/elpt860/flash.c
@@ -122,7 +122,7 @@
 		 &flash_info[0]);
 #endif
 
-#ifdef	CFG_ENV_IS_IN_FLASH
+#ifdef	CONFIG_ENV_IS_IN_FLASH
   /* ENV protection ON by default */
   flash_protect(FLAG_PROTECT_SET,
 		CFG_ENV_ADDR,