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/MBX860T.h b/include/configs/MBX860T.h
index 3b88507..4a537e8 100644
--- a/include/configs/MBX860T.h
+++ b/include/configs/MBX860T.h
@@ -143,7 +143,7 @@
  * board: EPPC-Bug from Motorola. To avoid collisions in NVRAM Usage, we
  * access the NVRAM at the offset 0x1000.
  */
-#define CFG_ENV_IS_IN_NVRAM	1	/* turn on NVRAM env feature */
+#define CONFIG_ENV_IS_IN_NVRAM	1	/* turn on NVRAM env feature */
 #define CFG_ENV_ADDR		(CFG_NVRAM_BASE + 0x1000)
 #define CFG_ENV_SIZE		0x1000