rename CFG_ENV macros to CONFIG_ENV

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/include/configs/M5282EVB.h b/include/configs/M5282EVB.h
index 1763f97..5cc64c1 100644
--- a/include/configs/M5282EVB.h
+++ b/include/configs/M5282EVB.h
@@ -48,8 +48,8 @@
 /* Configuration for environment
  * Environment is embedded in u-boot in the second sector of the flash
  */
-#define CFG_ENV_ADDR		0xffe04000
-#define CFG_ENV_SIZE		0x2000
+#define CONFIG_ENV_ADDR		0xffe04000
+#define CONFIG_ENV_SIZE		0x2000
 #define CONFIG_ENV_IS_IN_FLASH	1
 
 /*