ath9k: Remove multiple macro occurrences

OLC_FOR_AR9280_20_LATER is defined in multiple places,
move it to a common location.
Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/ath9k/calib.c

@@ -749,8 +749,6 @@ bool ath9k_hw_calibrate(struct ath_hw *ah, struct ath9k_channel *chan,
 			u8 rxchainmask, bool longcal,
 			bool *isCalDone)
 {
-#define OLC_FOR_AR9280_20_LATER	(AR_SREV_9280_20_OR_LATER(ah) && \
-				ah->eep_ops->get_eeprom(ah, EEP_OL_PWRCTRL))
 	struct hal_cal_list *currCal = ah->cal_list_curr;
 
 	*isCalDone = true;

drivers/net/wireless/ath9k/eeprom.c

@@ -2164,8 +2164,6 @@ static bool ath9k_hw_set_def_power_cal_table(struct ath_hw *ah,
 				  struct ath9k_channel *chan,
 				  int16_t *pTxPowerIndexOffset)
 {
-#define OLC_FOR_AR9280_20_LATER	(AR_SREV_9280_20_OR_LATER(ah) && \
-				ah->eep_ops->get_eeprom(ah, EEP_OL_PWRCTRL))
 #define SM_PD_GAIN(x) SM(0x38, AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_##x)
 #define SM_PDGAIN_B(x, y) \
 		SM((gainBoundaries[x]), AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_##y)

drivers/net/wireless/ath9k/eeprom.h

@@ -95,6 +95,9 @@
 #define FREQ2FBIN(x, y)		((y) ? ((x) - 2300) : (((x) - 4800) / 5))
 #define ath9k_hw_use_flash(_ah)	(!(_ah->ah_flags & AH_USE_EEPROM))
 
+#define OLC_FOR_AR9280_20_LATER (AR_SREV_9280_20_OR_LATER(ah) && \
+				 ah->eep_ops->get_eeprom(ah, EEP_OL_PWRCTRL))
+
 #define AR_EEPROM_RFSILENT_GPIO_SEL     0x001c
 #define AR_EEPROM_RFSILENT_GPIO_SEL_S   2
 #define AR_EEPROM_RFSILENT_POLARITY     0x0002

drivers/net/wireless/ath9k/hw.c

@@ -1219,8 +1219,6 @@ static int ath9k_hw_process_ini(struct ath_hw *ah,
 				struct ath9k_channel *chan,
 				enum ath9k_ht_macmode macmode)
 {
-#define OLC_FOR_AR9280_20_LATER	(AR_SREV_9280_20_OR_LATER(ah) && \
-				ah->eep_ops->get_eeprom(ah, EEP_OL_PWRCTRL))
 	int i, regWrites = 0;
 	struct ieee80211_channel *channel = chan->chan;
 	u32 modesIndex, freqIndex;