iwlwifi: queue: add fake tx time point

In case we get TX sequence number out of range, trigger fake tx time
point to collect FW debug data.
Signed-off-by: Mordechay Goodstein <mordechay.goodstein@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210210142629.e098026e83ad.I8870fcbc504a74cab6a50134b3df1131d6da946d@changeidSigned-off-by: Luca Coelho <luciano.coelho@intel.com>

drivers/net/wireless/intel/iwlwifi/queue/tx.c

@@ -1577,6 +1577,10 @@ void iwl_txq_reclaim(struct iwl_trans *trans, int txq_id, int ssn,
 			__func__, txq_id, last_to_free,
 			trans->trans_cfg->base_params->max_tfd_queue_size,
 			txq->write_ptr, txq->read_ptr);
+
+		iwl_op_mode_time_point(trans->op_mode,
+				       IWL_FW_INI_TIME_POINT_FAKE_TX,
+				       NULL);
 		goto out;
 	}