touch:scx0500633:Add missing cleanup code on driver unload

recipes-kernel/touchdriver/scx0500633/src/scx0500633.c

@@ -786,6 +786,8 @@ static int scx0500633_i2c_ts_remove (struct i2c_client *client)
 	input_unregister_device (tsdata->input);
 	sysfs_remove_group(&client->dev.kobj, &scx0500633_i2c_group);
 	touch_gpio_free(tsdata->gpios);
+	if(tsdata->regulator && !IS_ERR(tsdata->regulator))
+        regulator_disable(tsdata->regulator);
 	return 0;
 }