gpio: pca953x_gpio: fix DT GPIO flags translation

Commit fb01e07 accidentally broke initialisation of GPIO
descriptor flags from device tree: currently the active low
flag from gpio-specifier is always ignored. Fix it.

Signed-off-by: Anatolij Gustschin <agust@denx.de>
Cc: Mario Six <mario.six@gdsys.cc>

drivers/gpio/pca953x_gpio.c

@@ -248,7 +248,7 @@ static int pca953x_xlate(struct udevice *dev, struct gpio_desc *desc,
 			 struct ofnode_phandle_args *args)
 {
 	desc->offset = args->args[0];
-	desc->flags = args->args[1] & (GPIO_ACTIVE_LOW ? GPIOD_ACTIVE_LOW : 0);
+	desc->flags = args->args[1] & GPIO_ACTIVE_LOW ? GPIOD_ACTIVE_LOW : 0;
 
 	return 0;
 }