GCC4.6: Squash warning in lcd.c

lcd.c: In function 'lcd_setmem':
lcd.c:446:2: warning: format '%d' expects type 'int', but argument 2 has type
'u_long'
lcd.c:446:2: warning: format '%d' expects type 'int', but argument 3 has type
'u_long'

Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Cc: Wolfgang Denk <wd@denx.de>
Cc: Simon Glass <sjg@chromium.org>
Cc: Mike Frysinger <vapier@gentoo.org>

include/lcd.h

@@ -159,8 +159,8 @@ typedef struct vidinfo {
 #elif defined(CONFIG_ATMEL_LCD)
 
 typedef struct vidinfo {
-	u_long vl_col;		/* Number of columns (i.e. 640) */
-	u_long vl_row;		/* Number of rows (i.e. 480) */
+	ushort vl_col;		/* Number of columns (i.e. 640) */
+	ushort vl_row;		/* Number of rows (i.e. 480) */
 	u_long vl_clk;	/* pixel clock in ps    */
 
 	/* LCD configuration register */