pinctrl: amd: change dev_warn to dev_dbg for additional feature support

Use dev_dbg instead of dev_warn for additional support of pinmux
feature.
Signed-off-by: Basavaraj Natikar <Basavaraj.Natikar@amd.com>
Link: https://lore.kernel.org/r/20220830110525.1933198-1-Basavaraj.Natikar@amd.comSigned-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/pinctrl/pinctrl-amd.c

@@ -1051,13 +1051,13 @@ static void amd_get_iomux_res(struct amd_gpio *gpio_dev)
 
 	index = device_property_match_string(dev, "pinctrl-resource-names",  "iomux");
 	if (index < 0) {
-		dev_warn(dev, "failed to get iomux index\n");
+		dev_dbg(dev, "iomux not supported\n");
 		goto out_no_pinmux;
 	}
 
 	gpio_dev->iomux_base = devm_platform_ioremap_resource(gpio_dev->pdev, index);
 	if (IS_ERR(gpio_dev->iomux_base)) {
-		dev_warn(dev, "Failed to get iomux %d io resource\n", index);
+		dev_dbg(dev, "iomux not supported %d io resource\n", index);
 		goto out_no_pinmux;
 	}