rename CFG_ENV macros to CONFIG_ENV

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/include/configs/BMW.h b/include/configs/BMW.h
index 5ba3e6d..d5a398d 100644
--- a/include/configs/BMW.h
+++ b/include/configs/BMW.h
@@ -292,9 +292,9 @@
 #define CONFIG_ENV_IS_IN_NVRAM      1
 #define CONFIG_ENV_OVERWRITE     1
 #define CFG_NVRAM_ACCESS_ROUTINE 1
-#define CFG_ENV_ADDR		0x7c004000 /* right at the start of NVRAM  */
-#define CFG_ENV_SIZE		0x1ff0	/* Size of the Environment - 8K	   */
-#define CFG_ENV_OFFSET		0	/* starting right at the beginning */
+#define CONFIG_ENV_ADDR		0x7c004000 /* right at the start of NVRAM  */
+#define CONFIG_ENV_SIZE		0x1ff0	/* Size of the Environment - 8K	   */
+#define CONFIG_ENV_OFFSET		0	/* starting right at the beginning */
 
 /*
  * Cache Configuration