Staging: greybus: gpio: Use gbphy_dev->dev instead of bundle->dev

Some of the print messages are using the incorrect device pointer, fix
them.

Signed-off-by: Viresh Kumar <[e-mail]>
Acked-by: Johan Hovold <[e-mail]>
Reviewed-by: Rui Miguel Silva <[e-mail]>
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/staging/greybus/gpio.c

···
 	ret = gb_gpio_irqchip_add(gpio, irqc, 0,
 				   handle_level_irq, IRQ_TYPE_NONE);
 	if (ret) {
-		dev_err(&connection->bundle->dev,
-			"failed to add irq chip: %d\n", ret);
+		dev_err(&gbphy_dev->dev, "failed to add irq chip: %d\n", ret);
 		goto exit_line_free;
 	}
 
 	ret = gpiochip_add(gpio);
 	if (ret) {
-		dev_err(&connection->bundle->dev,
-			"failed to add gpio chip: %d\n", ret);
+		dev_err(&gbphy_dev->dev, "failed to add gpio chip: %d\n", ret);
 		goto exit_gpio_irqchip_remove;
 	}