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/PM854.h b/include/configs/PM854.h
index 1212bcd..8babcb2 100644
--- a/include/configs/PM854.h
+++ b/include/configs/PM854.h
@@ -293,7 +293,7 @@
  * Environment
  */
 #ifndef CFG_RAMBOOT
-  #define CFG_ENV_IS_IN_FLASH	1
+  #define CONFIG_ENV_IS_IN_FLASH	1
   #define CFG_ENV_ADDR		(CFG_MONITOR_BASE - 0x80000)
   #define CFG_ENV_SECT_SIZE	0x40000 /* 256K(one sector) for env */
   #define CFG_ENV_SIZE		0x2000