dm: pinctrl: Skip not associated gpio phandle and rise a warning message

Skip not associated gpio phandle let register the other gpios on a group.
We need anyway to send out a warning to the user to fix their uboot-board.dtsi.
Thhe handle id can be found inside the decompiled dtb

dtc -I dtb -O dts -o devicetree.dts spl/u-boot-spl.dtb

Signed-off-by: Michael Trimarchi <michael@amarulasolutions.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/pinctrl/pinctrl-uclass.c b/drivers/pinctrl/pinctrl-uclass.c
index bf799a7..a2da63f 100644
--- a/drivers/pinctrl/pinctrl-uclass.c
+++ b/drivers/pinctrl/pinctrl-uclass.c
@@ -91,12 +91,18 @@
 		phandle = fdt32_to_cpu(*list++);
 		ret = uclass_get_device_by_phandle_id(UCLASS_PINCONFIG, phandle,
 						      &config);
-		if (ret)
-			return ret;
+		if (ret) {
+			dev_warn(dev, "%s: uclass_get_device_by_phandle_id: err=%d\n",
+				__func__, ret);
+			continue;
+		}
 
 		ret = pinctrl_config_one(config);
-		if (ret)
-			return ret;
+		if (ret) {
+			dev_warn(dev, "%s: pinctrl_config_one: err=%d\n",
+				__func__, ret);
+			continue;
+		}
 	}
 
 	return 0;