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/RPXsuper.h b/include/configs/RPXsuper.h
index 2a9c627..8bdb401 100644
--- a/include/configs/RPXsuper.h
+++ b/include/configs/RPXsuper.h
@@ -300,7 +300,7 @@
 #define CFG_FLASH_WRITE_TOUT  1       /* Timeout for Flash Write (in ms)    */
 
 #ifndef CFG_RAMBOOT
-#  define CFG_ENV_IS_IN_FLASH  1
+#  define CONFIG_ENV_IS_IN_FLASH  1
 
 #  ifdef CFG_ENV_IN_OWN_SECT
 #    define CFG_ENV_ADDR       (CFG_MONITOR_BASE + 0x40000)