ath9k: Configure Power control register appropriately for h/w with 4k eeprom

Signed-off-by: NVasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

drivers/net/wireless/ath9k/eeprom.c

@@ -752,8 +752,7 @@ static bool ath9k_hw_set_4k_power_cal_table(struct ath_hw *ah,
 		      xpdGainValues[0]);
 	REG_RMW_FIELD(ah, AR_PHY_TPCRG1, AR_PHY_TPCRG1_PD_GAIN_2,
 		      xpdGainValues[1]);
-	REG_RMW_FIELD(ah, AR_PHY_TPCRG1, AR_PHY_TPCRG1_PD_GAIN_3,
-		      xpdGainValues[2]);
+	REG_RMW_FIELD(ah, AR_PHY_TPCRG1, AR_PHY_TPCRG1_PD_GAIN_3, 0);
 
 	for (i = 0; i < AR5416_MAX_CHAINS; i++) {
 		if (AR_SREV_5416_V20_OR_LATER(ah) &&