rename CFG_ENV_IS_IN_FLASH in CONFIG_ENV_IS_IN_FLASH

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/include/configs/M52277EVB.h b/include/configs/M52277EVB.h
index 8713b02..10b37b5 100644
--- a/include/configs/M52277EVB.h
+++ b/include/configs/M52277EVB.h
@@ -192,7 +192,7 @@
 /* Configuration for environment
  * Environment is embedded in u-boot in the second sector of the flash
  */
-#define CFG_ENV_IS_IN_FLASH	1
+#define CONFIG_ENV_IS_IN_FLASH	1
 #define CONFIG_ENV_OVERWRITE	1
 #undef CFG_ENV_IS_EMBEDDED