ath10k: ath10k_htt_rx_amsdu_allowed() use ath10k_dbg()

Each time we get disconnected from AP we get flooded with messages like:

...
ath10k_pci 0000:03:00.0: no channel configured; ignoring frame(s)!
<until ratelimit kicks in>
ath10k_warn: 155 callbacks suppressed
...

Use ath10k_dbg() here too.
Signed-off-by: Gabriel Craciunescu <nix.or.die@gmail.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>

drivers/net/wireless/ath/ath10k/htt_rx.c

@@ -1524,7 +1524,7 @@ static bool ath10k_htt_rx_amsdu_allowed(struct ath10k *ar,
 	 */
 
 	if (!rx_status->freq) {
-		ath10k_warn(ar, "no channel configured; ignoring frame(s)!\n");
+		ath10k_dbg(ar, ATH10K_DBG_HTT, "no channel configured; ignoring frame(s)!\n");
 		return false;
 	}