Fix kernel-doc parameter name typo in blk-settings.c:

Warning(block/blk-settings.c:108): No description found for parameter 'lim'
Warning(block/blk-settings.c:108): Excess function parameter 'limits' description in 'blk_set_default_limits'

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

block/blk-settings.c

@@ -97,7 +97,7 @@ EXPORT_SYMBOL_GPL(blk_queue_lld_busy);
 
 /**
  * blk_set_default_limits - reset limits to default values
- * @limits:  the queue_limits structure to reset
+ * @lim:  the queue_limits structure to reset
  *
  * Description:
  *   Returns a queue_limit struct to its default state.  Can be used by