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/RPXClassic.h b/include/configs/RPXClassic.h
index 706e2aa..3762391 100644
--- a/include/configs/RPXClassic.h
+++ b/include/configs/RPXClassic.h
@@ -224,7 +224,7 @@
 #define CFG_ENV_SECT_SIZE       0x8000
 #define	CFG_ENV_SIZE		0x8000	/* Total Size of Environment Sector  */
 #else
-#define CFG_ENV_IS_IN_NVRAM     1
+#define CONFIG_ENV_IS_IN_NVRAM     1
 #define CFG_ENV_ADDR            0xfa000100
 #define CFG_ENV_SIZE            0x1000
 #endif