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/v37.h b/include/configs/v37.h
index 751d702..7e5f804 100644
--- a/include/configs/v37.h
+++ b/include/configs/v37.h
@@ -195,7 +195,7 @@
 #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_NVRAM	1
+#define	CONFIG_ENV_IS_IN_NVRAM	1
 #define	CFG_ENV_ADDR		0x80000000/* Address of Environment */
 #define	CFG_ENV_SIZE		0x4000	/* Total Size of Environment Sector	*/