ath9k: Fix incorrect noise floor reading for 4k EEPROM

Signed-off-by: NSujith <Sujith.Manoharan@atheros.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

drivers/net/wireless/ath9k/eeprom.c

@@ -439,7 +439,7 @@ static u32 ath9k_hw_4k_get_eeprom(struct ath_hw *ah,
 
 	switch (param) {
 	case EEP_NFTHRESH_2:
-		return pModal[1].noiseFloorThreshCh[0];
+		return pModal->noiseFloorThreshCh[0];
 	case AR_EEPROM_MAC(0):
 		return pBase->macAddr[0] << 8 | pBase->macAddr[1];
 	case AR_EEPROM_MAC(1):