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/IP860.h b/include/configs/IP860.h
index 67f8833..63e7e5d 100644
--- a/include/configs/IP860.h
+++ b/include/configs/IP860.h
@@ -187,15 +187,15 @@
 #define CFG_FLASH_WRITE_TOUT	500	/* Timeout for Flash Write (in ms)	*/
 
 #undef	CFG_ENV_IS_IN_FLASH
-#undef	CFG_ENV_IS_IN_NVRAM
-#undef  CFG_ENV_IS_IN_NVRAM
+#undef	CONFIG_ENV_IS_IN_NVRAM
+#undef  CONFIG_ENV_IS_IN_NVRAM
 #undef	DEBUG_I2C
 #define	CONFIG_ENV_IS_IN_EEPROM
 
-#ifdef	CFG_ENV_IS_IN_NVRAM
+#ifdef	CONFIG_ENV_IS_IN_NVRAM
 #define CFG_ENV_ADDR		0x20000000	/* use SRAM	*/
 #define CFG_ENV_SIZE		(16<<10)	/* use 16 kB	*/
-#endif	/* CFG_ENV_IS_IN_NVRAM */
+#endif	/* CONFIG_ENV_IS_IN_NVRAM */
 
 #ifdef	CONFIG_ENV_IS_IN_EEPROM
 #define CFG_ENV_OFFSET		 512	/* Leave 512 bytes free for other data	*/