rename CFG_ENV_IS_NOWHERE in CONFIG_ENV_IS_NOWHERE

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/include/configs/gth2.h b/include/configs/gth2.h
index 7f7190b..ad8bb59 100644
--- a/include/configs/gth2.h
+++ b/include/configs/gth2.h
@@ -153,7 +153,7 @@
 #define CFG_FLASH_ERASE_TOUT	(2 * CFG_HZ) /* Timeout for Flash Erase */
 #define CFG_FLASH_WRITE_TOUT	(2 * CFG_HZ) /* Timeout for Flash Write */
 
-#define CFG_ENV_IS_NOWHERE	1
+#define CONFIG_ENV_IS_NOWHERE	1
 
 /* Address and size of Primary Environment Sector	*/
 #define CFG_ENV_ADDR		0xB0030000