ath10k: brace style fixes

drivers/net/wireless/ath/ath10k/htt_tx.c:457: braces {} are not necessary for single statement blocks
drivers/net/wireless/ath/ath10k/htt_tx.c:545: braces {} are not necessary for single statement blocks
drivers/net/wireless/ath/ath10k/mac.c:200: braces {} are not necessary for single statement blocks

Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
diff --git a/drivers/net/wireless/ath/ath10k/htt_tx.c b/drivers/net/wireless/ath/ath10k/htt_tx.c
index eb5ba9b..a31d508f 100644
--- a/drivers/net/wireless/ath/ath10k/htt_tx.c
+++ b/drivers/net/wireless/ath/ath10k/htt_tx.c
@@ -454,9 +454,9 @@
 	spin_lock_bh(&htt->tx_lock);
 	res = ath10k_htt_tx_alloc_msdu_id(htt, msdu);
 	spin_unlock_bh(&htt->tx_lock);
-	if (res < 0) {
+	if (res < 0)
 		goto err_tx_dec;
-	}
+
 	msdu_id = res;
 
 	txdesc = ath10k_htc_alloc_skb(ar, len);
@@ -542,9 +542,9 @@
 	spin_lock_bh(&htt->tx_lock);
 	res = ath10k_htt_tx_alloc_msdu_id(htt, msdu);
 	spin_unlock_bh(&htt->tx_lock);
-	if (res < 0) {
+	if (res < 0)
 		goto err_tx_dec;
-	}
+
 	msdu_id = res;
 
 	prefetch_len = min(htt->prefetch_len, msdu->len);