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/SM850.h b/include/configs/SM850.h
index 465db47..138dbd2 100644
--- a/include/configs/SM850.h
+++ b/include/configs/SM850.h
@@ -163,7 +163,7 @@
 #define CFG_FLASH_ERASE_TOUT	120000	/* Timeout for Flash Erase (in ms)	*/
 #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		0x8000	/*   Offset   of Environment Sector	*/
 #define	CFG_ENV_SIZE		0x4000	/* Total Size of Environment Sector	*/