ath9k_hw: remove ATH9K_HW_CAP_ENHANCEDPM

It is not used anywhere
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

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

@@ -1903,8 +1903,6 @@ int ath9k_hw_fill_cap_info(struct ath_hw *ah)
 		pCap->rts_aggr_limit = (8 * 1024);
 	}
 
-	pCap->hw_caps |= ATH9K_HW_CAP_ENHANCEDPM;
-
 #if defined(CONFIG_RFKILL) || defined(CONFIG_RFKILL_MODULE)
 	ah->rfsilent = ah->eep_ops->get_eeprom(ah, EEP_RF_SILENT);
 	if (ah->rfsilent & EEP_RFSILENT_ENABLED) {

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

@@ -174,7 +174,6 @@ enum ath9k_hw_caps {
 	ATH9K_HW_CAP_HT                         = BIT(0),
 	ATH9K_HW_CAP_RFSILENT                   = BIT(1),
 	ATH9K_HW_CAP_CST                        = BIT(2),
-	ATH9K_HW_CAP_ENHANCEDPM                 = BIT(3),
 	ATH9K_HW_CAP_AUTOSLEEP                  = BIT(4),
 	ATH9K_HW_CAP_4KB_SPLITTRANS             = BIT(5),
 	ATH9K_HW_CAP_EDMA			= BIT(6),