HID: address kernel-doc warnings

The command ./scripts/kernel-doc -none include/linux/hid.h reports:

  include/linux/hid.h:818: warning: cannot understand function prototype: 'struct hid_ll_driver '
  include/linux/hid.h:1135: warning: expecting prototype for hid_may_wakeup(). Prototype was for hid_hw_may_wakeup() instead

Address those kernel-doc warnings.
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

include/linux/hid.h

@@ -788,7 +788,7 @@ struct hid_driver {
 	container_of(pdrv, struct hid_driver, driver)
 
 /**
- * hid_ll_driver - low level driver callbacks
+ * struct hid_ll_driver - low level driver callbacks
  * @start: called on probe to start the device
  * @stop: called on remove
  * @open: called by input layer on open
@@ -1158,7 +1158,7 @@ static inline int hid_hw_idle(struct hid_device *hdev, int report, int idle,
 }
 
 /**
- * hid_may_wakeup - return if the hid device may act as a wakeup source during system-suspend
+ * hid_hw_may_wakeup - return if the hid device may act as a wakeup source during system-suspend
  *
  * @hdev: hid device
  */