mtd: lpc32xx_slc: Use of_get_named_gpio()

This patch makes the lpc32xx_slc driver use of_get_named_gpio() instead of
of_get_named_gpio_flags() whose flags are discarded anyway.
Signed-off-by: Roland Stigge <stigge@antcom.de>
Acked-by: Alexandre Pereira da Silva <aletes.xgr@gmail.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

drivers/mtd/nand/lpc32xx_slc.c

@@ -770,7 +770,7 @@ static struct lpc32xx_nand_cfg_slc *lpc32xx_parse_dt(struct device *dev)
 	}
 
 	pdata->use_bbt = of_get_nand_on_flash_bbt(np);
-	pdata->wp_gpio = of_get_named_gpio_flags(np, "gpios", 0, NULL);
+	pdata->wp_gpio = of_get_named_gpio(np, "gpios", 0);
 
 	return pdata;
 }