drivers: thermal: Add valid cpu check in cpu isolate driver

Add a check for valid cpu and create cpu isolation cooling
device only for those cpu's which passes this check.

Change-Id: Ic931a1aa51857ed109555e055879cb39da11f3cf
Signed-off-by: Priyansh Jain <quic_priyjain@quicinc.com>

drivers/thermal/qcom/cpu_isolate.c

@@ -318,6 +318,12 @@ static int cpu_isolate_probe(struct platform_device *pdev)
 				break;
 			}
 		}
+
+		if (cpu_isolate_cdev->cpu_id == -1) {
+			dev_err(&pdev->dev, "Invalid CPU phandle\n");
+			continue;
+		}
+
 		INIT_WORK(&cpu_isolate_cdev->reg_work,
 				cpu_isolate_register_cdev);
 		list_add(&cpu_isolate_cdev->node, &cpu_isolate_cdev_list);