[ARM] SMDK6410: Request GPIOs for LCD power control

Going forward gpio_request() will be a requirement for GPIO API users so
call it for the LCD power GPIOs. With present code the kernel functions
but generaets loud WARN_ON()s when using the unrequested GPIOs.
Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: NBen Dooks <ben-linux@fluff.org>

arch/arm/mach-s3c6410/mach-smdk6410.c

@@ -166,6 +166,10 @@ static void __init smdk6410_machine_init(void)
 	s3c_i2c1_set_platdata(NULL);
 	s3c_fb_set_platdata(&smdk6410_lcd_pdata);
 
+	gpio_request(S3C64XX_GPN(5), "LCD power");
+	gpio_request(S3C64XX_GPF(13), "LCD power");
+	gpio_request(S3C64XX_GPF(15), "LCD power");
+
 	i2c_register_board_info(0, i2c_devs0, ARRAY_SIZE(i2c_devs0));
 	i2c_register_board_info(1, i2c_devs1, ARRAY_SIZE(i2c_devs1));