ath9k: Cleanup EEPROM operations

This patch removes the various function pointer
assignments and unifies them in a single ops structure.

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath9k/hw.h b/drivers/net/wireless/ath9k/hw.h
index 84914e2..f8f46db 100644
--- a/drivers/net/wireless/ath9k/hw.h
+++ b/drivers/net/wireless/ath9k/hw.h
@@ -430,6 +430,7 @@
 		struct ar5416_eeprom_def def;
 		struct ar5416_eeprom_4k map4k;
 	} ah_eeprom;
+	const struct eeprom_ops *eep_ops;
 
 	bool sw_mgmt_crypto;
 	bool ah_isPciExpress;