rename CFG_ENV macros to CONFIG_ENV

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/include/configs/taihu.h b/include/configs/taihu.h
index ad0f5a9..bcb8732 100644
--- a/include/configs/taihu.h
+++ b/include/configs/taihu.h
@@ -206,13 +206,13 @@
 #define CFG_FLASH_WORD_SIZE     unsigned short
 
 #ifdef CONFIG_ENV_IS_IN_FLASH
-#define CFG_ENV_SECT_SIZE	0x10000	/* size of one complete sector	*/
-#define CFG_ENV_ADDR		(CFG_MONITOR_BASE-CFG_ENV_SECT_SIZE)
-#define CFG_ENV_SIZE		0x4000	/* Total Size of Environment Sector	*/
+#define CONFIG_ENV_SECT_SIZE	0x10000	/* size of one complete sector	*/
+#define CONFIG_ENV_ADDR		(CFG_MONITOR_BASE-CONFIG_ENV_SECT_SIZE)
+#define CONFIG_ENV_SIZE		0x4000	/* Total Size of Environment Sector	*/
 
 /* Address and size of Redundant Environment Sector	*/
-#define CFG_ENV_ADDR_REDUND	(CFG_ENV_ADDR-CFG_ENV_SECT_SIZE)
-#define CFG_ENV_SIZE_REDUND	(CFG_ENV_SIZE)
+#define CONFIG_ENV_ADDR_REDUND	(CONFIG_ENV_ADDR-CONFIG_ENV_SECT_SIZE)
+#define CONFIG_ENV_SIZE_REDUND	(CONFIG_ENV_SIZE)
 #endif /* CONFIG_ENV_IS_IN_FLASH */
 
 /*-----------------------------------------------------------------------
@@ -222,9 +222,9 @@
 #define CFG_NVRAM_SIZE		0x1ff8		/* NVRAM size */
 
 #ifdef CONFIG_ENV_IS_IN_NVRAM
-#define CFG_ENV_SIZE		0x0ff8		/* Size of Environment vars */
-#define CFG_ENV_ADDR		\
-	(CFG_NVRAM_BASE_ADDR+CFG_NVRAM_SIZE-CFG_ENV_SIZE)	/* Env*/
+#define CONFIG_ENV_SIZE		0x0ff8		/* Size of Environment vars */
+#define CONFIG_ENV_ADDR		\
+	(CFG_NVRAM_BASE_ADDR+CFG_NVRAM_SIZE-CONFIG_ENV_SIZE)	/* Env*/
 #endif
 
 /*-----------------------------------------------------------------------