rename CFG_ENV macros to CONFIG_ENV

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/include/configs/voiceblue.h b/include/configs/voiceblue.h
index fee3ab9..312f720 100644
--- a/include/configs/voiceblue.h
+++ b/include/configs/voiceblue.h
@@ -75,11 +75,11 @@
  * Environment settings
  */
 #define CONFIG_ENV_IS_IN_FLASH
-#define CFG_ENV_ADDR		(PHYS_FLASH_1 + CFG_MONITOR_LEN)
-#define CFG_ENV_SIZE		(8 * 1024)
-#define CFG_ENV_SECT_SIZE	(64 * 1024)
-#define CFG_ENV_ADDR_REDUND	(CFG_ENV_ADDR + CFG_ENV_SECT_SIZE)
-#define CFG_ENV_SIZE_REDUND	CFG_ENV_SIZE
+#define CONFIG_ENV_ADDR		(PHYS_FLASH_1 + CFG_MONITOR_LEN)
+#define CONFIG_ENV_SIZE		(8 * 1024)
+#define CONFIG_ENV_SECT_SIZE	(64 * 1024)
+#define CONFIG_ENV_ADDR_REDUND	(CONFIG_ENV_ADDR + CONFIG_ENV_SECT_SIZE)
+#define CONFIG_ENV_SIZE_REDUND	CONFIG_ENV_SIZE
 
 #define CONFIG_ENV_OVERWRITE