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/MHPC.h b/include/configs/MHPC.h
index dde7742..de7cb12 100644
--- a/include/configs/MHPC.h
+++ b/include/configs/MHPC.h
@@ -228,7 +228,7 @@
 
 #define CFG_FLASH_ERASE_TOUT	120000	/* Timeout for Flash Erase (in ms)	*/
 #define CFG_FLASH_WRITE_TOUT	500	/* Timeout for Flash Write (in ms)	*/
-#define CFG_ENV_IS_IN_FLASH	1
+#define CONFIG_ENV_IS_IN_FLASH	1
 #define CFG_ENV_OFFSET		CFG_MONITOR_LEN /* Offset of Environment */
 #define CFG_ENV_SIZE		0x20000 /* Total Size of Environment	*/