gpio: amd: Drop unused pdev pointer in privata data

The pointer to the struct platform_device in the driver's private
data struct is never used and therefore can be dropped.

Signed-off-by: Enrico Weigelt <[e-mail]>
Signed-off-by: Linus Walleij <[e-mail]>

drivers/gpio/gpio-amd-fch.c

···
 		"amd-fch-gpio-iomem");
 
 struct amd_fch_gpio_priv {
-	struct platform_device		*pdev;
 	struct gpio_chip		gc;
 	void __iomem			*base;
 	struct amd_fch_gpio_pdata	*pdata;
···
 		return -ENOMEM;
 
 	priv->pdata	= pdata;
-	priv->pdev	= pdev;
 
 	priv->gc.owner			= THIS_MODULE;
 	priv->gc.parent			= &pdev->dev;