rename CFG_ENV macros to CONFIG_ENV

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/include/configs/TASREG.h b/include/configs/TASREG.h
index 1b2b70a..dd074dc 100644
--- a/include/configs/TASREG.h
+++ b/include/configs/TASREG.h
@@ -196,9 +196,9 @@
 #define CFG_INIT_SP_OFFSET	CFG_GBL_DATA_OFFSET
 
 #define CONFIG_ENV_IS_IN_FLASH	1
-#define CFG_ENV_ADDR		0xFFC40000	/* Address of Environment Sector*/
-#define CFG_ENV_SIZE		0x10000	/* Total Size of Environment Sector	*/
-#define CFG_ENV_SECT_SIZE	0x10000 /* see README - env sector total size	*/
+#define CONFIG_ENV_ADDR		0xFFC40000	/* Address of Environment Sector*/
+#define CONFIG_ENV_SIZE		0x10000	/* Total Size of Environment Sector	*/
+#define CONFIG_ENV_SECT_SIZE	0x10000 /* see README - env sector total size	*/
 
 /*-----------------------------------------------------------------------
  * Start addresses for the final memory configuration