drm/ttm: fix some minor kerneldoc issues

Pointed out by the kernel test robot while merging ttm_bo_api.h and
ttm_bo_driver.h.

Signed-off-by: Christian König <[e-mail]>
Reported-by: kernel test robot <[e-mail]>
Reviewed-by: Nirmoy Das <[e-mail]>
Link: https://patchwork.freedesktop.org/patch/msgid/[e-mail]

drivers/gpu/drm/ttm/ttm_bo_util.c

···
  * ttm_bo_move_memcpy
  *
  * @bo: A pointer to a struct ttm_buffer_object.
- * @interruptible: Sleep interruptible if waiting.
- * @no_wait_gpu: Return immediately if the GPU is busy.
- * @new_mem: struct ttm_resource indicating where to move.
+ * @ctx: operation context
+ * @dst_mem: struct ttm_resource indicating where to move.
  *
  * Fallback move function for a mappable buffer object in mappable memory.
  * The function will, if successful,
···
 /**
  * ttm_io_prot
  *
- * bo: ttm buffer object
- * res: ttm resource object
+ * @bo: ttm buffer object
+ * @res: ttm resource object
  * @tmp: Page protection flag for a normal, cached mapping.
  *
  * Utility function that returns the pgprot_t that should be used for
···
 }
 
 /**
- * ttm_bo_move_accel_cleanup.
+ * ttm_bo_move_accel_cleanup - cleanup helper for hw copies
  *
  * @bo: A pointer to a struct ttm_buffer_object.
  * @fence: A fence object that signals when moving is complete.
···
 EXPORT_SYMBOL(ttm_bo_move_accel_cleanup);
 
 /**
- * ttm_bo_move_sync_cleanup.
+ * ttm_bo_move_sync_cleanup - cleanup by waiting for the move to finish
  *
  * @bo: A pointer to a struct ttm_buffer_object.
  * @new_mem: struct ttm_resource indicating where to move.