ath11k: drop memset when setting up a tx cmd desc

There is no point in zero'ing out the structure if we set all values in the
following line.
Signed-off-by: John Crispin <john@phrozen.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

drivers/net/wireless/ath/ath11k/dp_tx.c

@@ -167,8 +167,6 @@ int ath11k_dp_tx(struct ath11k *ar, struct ath11k_vif *arvif,
 	skb_cb->vif = arvif->vif;
 	skb_cb->ar = ar;
 
-	memset(cached_desc, 0, HAL_TCL_DESC_LEN);
-
 	ath11k_hal_tx_cmd_desc_setup(ab, cached_desc, &ti);
 
 	hal_ring_id = tx_ring->tcl_data_ring.ring_id;

drivers/net/wireless/ath/ath11k/hal_tx.c

@@ -71,6 +71,7 @@ void ath11k_hal_tx_cmd_desc_setup(struct ath11k_base *ab, void *cmd,
 				    ti->dscp_tid_tbl_idx) |
 			 FIELD_PREP(HAL_TCL_DATA_CMD_INFO3_SEARCH_INDEX,
 				    ti->bss_ast_hash);
+	tcl_cmd->info4 = 0;
 }
 
 /* Commit the descriptor to hardware */