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/MPC8544DS.h b/include/configs/MPC8544DS.h
index 612e8f2..02776b3 100644
--- a/include/configs/MPC8544DS.h
+++ b/include/configs/MPC8544DS.h
@@ -394,7 +394,7 @@
 /*
  * Environment
  */
-#define CFG_ENV_IS_IN_FLASH	1
+#define CONFIG_ENV_IS_IN_FLASH	1
 #if CFG_MONITOR_BASE > 0xfff80000
 #define CFG_ENV_ADDR		0xfff80000
 #else