rename CFG_ENV macros to CONFIG_ENV

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/include/configs/IAD210.h b/include/configs/IAD210.h
index c80165b..a4944f1 100644
--- a/include/configs/IAD210.h
+++ b/include/configs/IAD210.h
@@ -221,8 +221,8 @@
 #define CFG_FLASH_WRITE_TOUT	500		/* Timeout for Flash Write (in ms)	*/
 
 #define	CONFIG_ENV_IS_IN_FLASH	1
-#define CFG_ENV_OFFSET		0x8000
-#define	CFG_ENV_SIZE		0x4000	/* Total Size of Environment Sector	*/
+#define CONFIG_ENV_OFFSET		0x8000
+#define	CONFIG_ENV_SIZE		0x4000	/* Total Size of Environment Sector	*/
 
 /*-----------------------------------------------------------------------
  * Cache Configuration