ath10k: fix cleanup in ath10k_thermal_unregister

First remove the 'cooling_device#n' syslink created
for ath10k and then unregsiter from the thermal subsystem(cooling)

Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
diff --git a/drivers/net/wireless/ath/ath10k/thermal.c b/drivers/net/wireless/ath/ath10k/thermal.c
index 1a899d7..60fe562 100644
--- a/drivers/net/wireless/ath/ath10k/thermal.c
+++ b/drivers/net/wireless/ath/ath10k/thermal.c
@@ -215,6 +215,6 @@
 
 void ath10k_thermal_unregister(struct ath10k *ar)
 {
-	thermal_cooling_device_unregister(ar->thermal.cdev);
 	sysfs_remove_link(&ar->dev->kobj, "cooling_device");
+	thermal_cooling_device_unregister(ar->thermal.cdev);
 }