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/tb0229.h b/include/configs/tb0229.h
index fc2357d..cf2af93 100644
--- a/include/configs/tb0229.h
+++ b/include/configs/tb0229.h
@@ -153,7 +153,7 @@
 #define CFG_FLASH_ERASE_TOUT	(20 * CFG_HZ) /* Timeout for Flash Erase */
 #define CFG_FLASH_WRITE_TOUT	(2 * CFG_HZ) /* Timeout for Flash Write */
 
-#define CFG_ENV_IS_IN_FLASH	1
+#define CONFIG_ENV_IS_IN_FLASH	1
 
 /* Address and size of Primary Environment Sector	*/
 #define CFG_ENV_ADDR		0xBFC40000