rename CFG_ENV macros to CONFIG_ENV

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/include/configs/ms7720se.h b/include/configs/ms7720se.h
index ee19b02..f308460 100644
--- a/include/configs/ms7720se.h
+++ b/include/configs/ms7720se.h
@@ -93,9 +93,9 @@
 #define CFG_FLASH_BANKS_LIST	{ CFG_FLASH_BASE }
 
 #define CONFIG_ENV_IS_IN_FLASH
-#define CFG_ENV_SECT_SIZE	(64 * 1024)
-#define CFG_ENV_SIZE		CFG_ENV_SECT_SIZE
-#define CFG_ENV_ADDR		(CFG_MONITOR_BASE + CFG_MONITOR_LEN)
+#define CONFIG_ENV_SECT_SIZE	(64 * 1024)
+#define CONFIG_ENV_SIZE		CONFIG_ENV_SECT_SIZE
+#define CONFIG_ENV_ADDR		(CFG_MONITOR_BASE + CFG_MONITOR_LEN)
 #define CFG_FLASH_ERASE_TOUT	120000
 #define CFG_FLASH_WRITE_TOUT	500