ath9k: do not reset while BB panic(0x4000409) on ar9561

BB panic(0x4000409) observed while AP enabling/disabling
bursting.

Signed-off-by: Miaoqing Pan <miaoqing@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>

drivers/net/wireless/ath/ath9k/ar9003_phy.c

@@ -2071,7 +2071,8 @@ void ar9003_hw_attach_phy_ops(struct ath_hw *ah)
  *             to be disabled.
  *
  * 0x04000409: Packet stuck on receive.
- *             Full chip reset is required for all chips except AR9340.
+ *             Full chip reset is required for all chips except
+ *	       AR9340, AR9531 and AR9561.
  */
 
 /*
@@ -2100,7 +2101,7 @@ bool ar9003_hw_bb_watchdog_check(struct ath_hw *ah)
 	case 0x04000b09:
 		return true;
 	case 0x04000409:
-		if (AR_SREV_9340(ah) || AR_SREV_9531(ah))
+		if (AR_SREV_9340(ah) || AR_SREV_9531(ah) || AR_SREV_9561(ah))
 			return false;
 		else
 			return true;