rename CFG_ macros to CONFIG_SYS

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/include/lcd.h b/include/lcd.h
index 44ac8ef..15affb8 100644
--- a/include/lcd.h
+++ b/include/lcd.h
@@ -211,8 +211,8 @@
  *  the LCD controller and memory allocation. Someone has to know what
  *  is connected, as we can't autodetect anything.
  */
-#define CFG_HIGH	0	/* Pins are active high			*/
-#define CFG_LOW		1	/* Pins are active low			*/
+#define CONFIG_SYS_HIGH	0	/* Pins are active high			*/
+#define CONFIG_SYS_LOW		1	/* Pins are active low			*/
 
 #define LCD_MONOCHROME	0
 #define LCD_COLOR2	1