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/IAD210.h b/include/configs/IAD210.h
index 87827ea..c80165b 100644
--- a/include/configs/IAD210.h
+++ b/include/configs/IAD210.h
@@ -220,7 +220,7 @@
 #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		0x8000
 #define	CFG_ENV_SIZE		0x4000	/* Total Size of Environment Sector	*/