extcon: int3496: Make the driver a bit less verbose

On all devices which I have with an INT3496 ACPI device,
there is only an ID pin defined.

Change the log-messages about not being able to get GPIOs for
"VBUS EN" and "USB MUX" to use dev_dbg().
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>

drivers/extcon/extcon-intel-int3496.c

@@ -121,11 +121,11 @@ static int int3496_probe(struct platform_device *pdev)
 
 	data->gpio_vbus_en = devm_gpiod_get(dev, "vbus", GPIOD_ASIS);
 	if (IS_ERR(data->gpio_vbus_en))
-		dev_info(dev, "can't request VBUS EN GPIO\n");
+		dev_dbg(dev, "can't request VBUS EN GPIO\n");
 
 	data->gpio_usb_mux = devm_gpiod_get(dev, "mux", GPIOD_ASIS);
 	if (IS_ERR(data->gpio_usb_mux))
-		dev_info(dev, "can't request USB MUX GPIO\n");
+		dev_dbg(dev, "can't request USB MUX GPIO\n");
 
 	/* register extcon device */
 	data->edev = devm_extcon_dev_allocate(dev, int3496_cable);