HID: hid-sensor-hub: Move 'hsdev' description to correct struct definition

Fixes the following W=1 kernel build warning(s):

 drivers/hid/hid-sensor-hub.c:54: warning: Function parameter or member 'hsdev' not described in 'hid_sensor_hub_callbacks_list'

Cc: Jiri Kosina <jikos@kernel.org>
Cc: Jonathan Cameron <jic23@kernel.org>
Cc: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Cc: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Cc: linux-input@vger.kernel.org
Cc: linux-iio@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>

Author: Lee Jones

drivers/hid/hid-sensor-hub.c

@@ -18,7 +18,6 @@
 
 /**
  * struct sensor_hub_data - Hold a instance data for a HID hub device
- * @hsdev:		Stored hid instance for current hub device.
  * @mutex:		Mutex to serialize synchronous request.
  * @lock:		Spin lock to protect pending request structure.
  * @dyn_callback_list:	Holds callback function
@@ -41,6 +40,7 @@ struct sensor_hub_data {
  * struct hid_sensor_hub_callbacks_list - Stores callback list
  * @list:		list head.
  * @usage_id:		usage id for a physical device.
+ * @hsdev:		Stored hid instance for current hub device.
  * @usage_callback:	Stores registered callback functions.
  * @priv:		Private data for a physical device.
  */