ARM: s3c24xx: switch to gpiochip_add_data()

We're planning to remove the gpiochip_add() function to swith
to gpiochip_add_data() with NULL for data argument.

Cc: arm@kernel.org
Acked-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

arch/arm/mach-s3c24xx/mach-h1940.c

@@ -664,7 +664,7 @@ static void __init h1940_map_io(void)
 
 	/* Add latch gpio chip, set latch initial value */
 	h1940_latch_control(0, 0);
-	WARN_ON(gpiochip_add(&h1940_latch_gpiochip));
+	WARN_ON(gpiochip_add_data(&h1940_latch_gpiochip, NULL));
 }
 
 static void __init h1940_init_time(void)