rename CFG_ENV_IS_IN_FLASH in CONFIG_ENV_IS_IN_FLASH

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/include/configs/lwmon.h b/include/configs/lwmon.h
index 87abfba..73b988f 100644
--- a/include/configs/lwmon.h
+++ b/include/configs/lwmon.h
@@ -315,7 +315,7 @@
 #define CFG_FLASH_BUFFER_SIZE	(2*32)
 
 /* Put environment in flash which is much faster to boot than using the EEPROM	*/
-#define CFG_ENV_IS_IN_FLASH	1
+#define CONFIG_ENV_IS_IN_FLASH	1
 #define CFG_ENV_ADDR	    0x40040000	/* Address    of Environment Sector	*/
 #define CFG_ENV_SIZE		0x2000	/* Total Size of Environment		*/
 #define CFG_ENV_SECT_SIZE	0x40000 /* we have BIG sectors only :-(		*/