rename CFG_ENV macros to CONFIG_ENV

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/include/configs/FADS823.h b/include/configs/FADS823.h
index c6c7b53..abf51ef 100644
--- a/include/configs/FADS823.h
+++ b/include/configs/FADS823.h
@@ -204,8 +204,8 @@
 #define CFG_FLASH_WRITE_TOUT	500	/* Timeout for Flash Write (in ms)	*/
 
 #define	CONFIG_ENV_IS_IN_FLASH	1
-#define CFG_ENV_OFFSET		0x00040000	/* Offset of Environment Sector */
-#define	CFG_ENV_SIZE		0x40000	/* Total Size of Environment Sector	*/
+#define CONFIG_ENV_OFFSET		0x00040000	/* Offset of Environment Sector */
+#define	CONFIG_ENV_SIZE		0x40000	/* Total Size of Environment Sector	*/
 #define	CFG_USE_PPCENV			/* Environment embedded in sect .ppcenv */
 
 /*-----------------------------------------------------------------------