thermal: Explicitly enable non-changing thermal zone devices

Some thermal zone devices never change their state, so they should be
always enabled.

Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@collabora.com>
Reviewed-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20200629122925.21729-9-andrzej.p@collabora.com

drivers/platform/x86/intel_mid_thermal.c

@@ -493,6 +493,12 @@ static int mid_thermal_probe(struct platform_device *pdev)
 			ret = PTR_ERR(pinfo->tzd[i]);
 			goto err;
 		}
+		ret = thermal_zone_device_enable(pinfo->tzd[i]);
+		if (ret) {
+			kfree(td_info);
+			thermal_zone_device_unregister(pinfo->tzd[i]);
+			goto err;
+		}
 	}
 
 	pinfo->pdev = pdev;