rename CFG_ENV macros to CONFIG_ENV

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/include/configs/lwmon.h b/include/configs/lwmon.h
index 73b988f..e4ee099 100644
--- a/include/configs/lwmon.h
+++ b/include/configs/lwmon.h
@@ -316,9 +316,9 @@
 
 /* Put environment in flash which is much faster to boot than using the EEPROM	*/
 #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 :-(		*/
+#define CONFIG_ENV_ADDR	    0x40040000	/* Address    of Environment Sector	*/
+#define CONFIG_ENV_SIZE		0x2000	/* Total Size of Environment		*/
+#define CONFIG_ENV_SECT_SIZE	0x40000 /* we have BIG sectors only :-(		*/
 
 /*-----------------------------------------------------------------------
  * I2C/EEPROM Configuration