ath9k_hw: fix unreachable code in baseband hang detection code

The commit "ath9k: reduce baseband hang detection false positive rate"
added a delay in the loop checking the baseband state, however it was
unreachable due to previous 'continue' statements.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

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

@@ -1548,6 +1548,7 @@ bool ath9k_hw_check_alive(struct ath_hw *ah)
 		if (reg != last_val)
 			return true;
 
+		udelay(1);
 		last_val = reg;
 		if ((reg & 0x7E7FFFEF) == 0x00702400)
 			continue;
@@ -1560,8 +1561,6 @@ bool ath9k_hw_check_alive(struct ath_hw *ah)
 		default:
 			return true;
 		}
-
-		udelay(1);
 	} while (count-- > 0);
 
 	return false;