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/NC650.h b/include/configs/NC650.h
index 84c6e9b..22bd0f0 100644
--- a/include/configs/NC650.h
+++ b/include/configs/NC650.h
@@ -232,7 +232,7 @@
 #define CFG_FLASH_WRITE_TOUT	500	/* Timeout for Flash Write (in ms)	*/
 
 
-#define	CFG_ENV_IS_IN_FLASH	1
+#define	CONFIG_ENV_IS_IN_FLASH	1
 #define CFG_ENV_OFFSET		0x00740000
 
 #define CFG_ENV_SECT_SIZE	0x20000	/* Total Size of Environment sector	*/