ath9k: Fix return code when ath9k_hw_setpower() fails on reset

We were not reporting a status code back ath9k_hw_setpower() failed
during reset so lets correct this.
Reported-by: NJiri Slaby <jirislaby@gmail.com>
Signed-off-by: NLuis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/wireless/ath9k/hw.c

@@ -5892,8 +5892,10 @@ bool ath9k_hw_reset(struct ath_hal *ah,
 		goto bad;
 	}
 
-	if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE))
-		return false;
+	if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE)) {
+		ecode = -EIO;
+		goto bad;
+	}
 
 	if (curchan)
 		ath9k_hw_getnf(ah, curchan);