rename CFG_ENV macros to CONFIG_ENV

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/include/configs/barco.h b/include/configs/barco.h
index cbf5868..9afb10e 100644
--- a/include/configs/barco.h
+++ b/include/configs/barco.h
@@ -167,8 +167,8 @@
 #define CFG_FLASH_BASE		0xFFF00000
 #define CFG_FLASH_SIZE		(8 * 1024 * 1024)	/* Unity has onboard 1MByte flash */
 #define CONFIG_ENV_IS_IN_FLASH	1
-#define CFG_ENV_OFFSET		0x000047A4	/* Offset of Environment Sector */
-#define CFG_ENV_SIZE		0x00002000	/* Total Size of Environment Sector */
+#define CONFIG_ENV_OFFSET		0x000047A4	/* Offset of Environment Sector */
+#define CONFIG_ENV_SIZE		0x00002000	/* Total Size of Environment Sector */
 /* #define ENV_CRC		0x8BF6F24B	XXX - FIXME: gets defined automatically */
 
 #define CFG_MALLOC_LEN		(512 << 10)	/* Reserve 512 kB for malloc()	*/