rename CFG_ENV macros to CONFIG_ENV

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/include/configs/M5235EVB.h b/include/configs/M5235EVB.h
index 3f55594..f352db1 100644
--- a/include/configs/M5235EVB.h
+++ b/include/configs/M5235EVB.h
@@ -221,15 +221,15 @@
  * Environment is embedded in u-boot in the second sector of the flash
  */
 #define CONFIG_ENV_IS_IN_FLASH	1
-#define CFG_ENV_IS_EMBEDDED	1
+#define CONFIG_ENV_IS_EMBEDDED	1
 #ifdef NORFLASH_PS32BIT
-#	define CFG_ENV_OFFSET		(0x8000)
-#	define CFG_ENV_SIZE		0x4000
-#	define CFG_ENV_SECT_SIZE	0x4000
+#	define CONFIG_ENV_OFFSET		(0x8000)
+#	define CONFIG_ENV_SIZE		0x4000
+#	define CONFIG_ENV_SECT_SIZE	0x4000
 #else
-#	define CFG_ENV_OFFSET		(0x4000)
-#	define CFG_ENV_SIZE		0x2000
-#	define CFG_ENV_SECT_SIZE	0x2000
+#	define CONFIG_ENV_OFFSET		(0x4000)
+#	define CONFIG_ENV_SIZE		0x2000
+#	define CONFIG_ENV_SECT_SIZE	0x2000
 #endif
 
 /*-----------------------------------------------------------------------