ath9k: Merge ath_hal and ath_hal_5416 structures

Finally, merge these structures and have a single
HW specific data 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/pci.c b/drivers/net/wireless/ath9k/pci.c
index 192c8c4..eac8db74 100644
--- a/drivers/net/wireless/ath9k/pci.c
+++ b/drivers/net/wireless/ath9k/pci.c
@@ -56,7 +56,7 @@
 	pci_disable_device(pdev);
 }
 
-static bool ath_pci_eeprom_read(struct ath_hal *ah, u32 off, u16 *data)
+static bool ath_pci_eeprom_read(struct ath_hw *ah, u32 off, u16 *data)
 {
 	(void)REG_READ(ah, AR5416_EEPROM_OFFSET + (off << AR5416_EEPROM_S));
 
@@ -87,7 +87,7 @@
 	u8 csz;
 	u32 val;
 	int ret = 0;
-	struct ath_hal *ah;
+	struct ath_hw *ah;
 
 	if (pci_enable_device(pdev))
 		return -EIO;