rename CFG_ENV macros to CONFIG_ENV

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/include/configs/MBX860T.h b/include/configs/MBX860T.h
index 4a537e8..cc05111 100644
--- a/include/configs/MBX860T.h
+++ b/include/configs/MBX860T.h
@@ -144,8 +144,8 @@
  * access the NVRAM at the offset 0x1000.
  */
 #define CONFIG_ENV_IS_IN_NVRAM	1	/* turn on NVRAM env feature */
-#define CFG_ENV_ADDR		(CFG_NVRAM_BASE + 0x1000)
-#define CFG_ENV_SIZE		0x1000
+#define CONFIG_ENV_ADDR		(CFG_NVRAM_BASE + 0x1000)
+#define CONFIG_ENV_SIZE		0x1000
 
 /*-----------------------------------------------------------------------
  * Cache Configuration