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/mecp5200.h b/include/configs/mecp5200.h
index 1c2f1a2..e0bd6e3 100644
--- a/include/configs/mecp5200.h
+++ b/include/configs/mecp5200.h
@@ -191,7 +191,7 @@
  * Environment settings
  */
 #if 1 /* test-only */
-#define CFG_ENV_IS_IN_FLASH	1
+#define CONFIG_ENV_IS_IN_FLASH	1
 #define CFG_ENV_SIZE		0x10000
 #define CFG_ENV_SECT_SIZE	0x10000
 #define CONFIG_ENV_OVERWRITE	1