rename CFG_ENV_IS_IN_NVRAM in CONFIG_ENV_IS_IN_NVRAM

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/include/configs/taihu.h b/include/configs/taihu.h
index 86f776d..2ef4545 100644
--- a/include/configs/taihu.h
+++ b/include/configs/taihu.h
@@ -221,7 +221,7 @@
 #define CFG_NVRAM_BASE_ADDR	0xf0000000	/* NVRAM base address */
 #define CFG_NVRAM_SIZE		0x1ff8		/* NVRAM size */
 
-#ifdef CFG_ENV_IS_IN_NVRAM
+#ifdef CONFIG_ENV_IS_IN_NVRAM
 #define CFG_ENV_SIZE		0x0ff8		/* Size of Environment vars */
 #define CFG_ENV_ADDR		\
 	(CFG_NVRAM_BASE_ADDR+CFG_NVRAM_SIZE-CFG_ENV_SIZE)	/* Env*/