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/stxxtc.h b/include/configs/stxxtc.h
index 0dc9f8a..c8b54bf 100644
--- a/include/configs/stxxtc.h
+++ b/include/configs/stxxtc.h
@@ -201,7 +201,7 @@
 /*-----------------------------------------------------------------------
  * FLASH organization
  */
-#define	CFG_ENV_IS_IN_FLASH	1
+#define	CONFIG_ENV_IS_IN_FLASH	1
 #define CFG_ENV_SECT_SIZE	0x10000
 
 #define	CFG_ENV_ADDR		(CFG_FLASH_BASE + 0x00000000)