gpio: clps711x: Remove board support

Since board support for the CLPS711X platform was removed,
remove the board support from the driver.

Signed-off-by: Alexander Shiyan <[e-mail]>
Signed-off-by: Linus Walleij <[e-mail]>

drivers/gpio/gpio-clps711x.c

···
 	void __iomem *dat, *dir;
 	struct gpio_chip *gc;
 	struct resource *res;
-	int err, id = np ? of_alias_get_id(np, "gpio") : pdev->id;
+	int err, id;
 
+	if (!np)
+		return -ENODEV;
+
+	id = of_alias_get_id(np, "gpio");
 	if ((id < 0) || (id > 4))
 		return -ENODEV;
 
···
 		break;
 	}
 
-	gc->base = id * 8;
+	gc->base = -1;
 	gc->owner = THIS_MODULE;
 	platform_set_drvdata(pdev, gc);