rename CFG_ENV macros to CONFIG_ENV

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/include/configs/r2dplus.h b/include/configs/r2dplus.h
index 666219e..41a2a15 100644
--- a/include/configs/r2dplus.h
+++ b/include/configs/r2dplus.h
@@ -72,9 +72,9 @@
 #define CFG_FLASH_BANKS_LIST	{ CFG_FLASH_BASE }
 
 #define CONFIG_ENV_IS_IN_FLASH
-#define CFG_ENV_SECT_SIZE	0x40000
-#define CFG_ENV_SIZE        (CFG_ENV_SECT_SIZE)
-#define CFG_ENV_ADDR        (CFG_MONITOR_BASE + CFG_MONITOR_LEN)
+#define CONFIG_ENV_SECT_SIZE	0x40000
+#define CONFIG_ENV_SIZE        (CONFIG_ENV_SECT_SIZE)
+#define CONFIG_ENV_ADDR        (CFG_MONITOR_BASE + CFG_MONITOR_LEN)
 
 /*
  * SuperH Clock setting