ath9k: Enable extended synch for AR9485 to fix L0s recovery issue

Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index 0649ae6..76ae329 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -209,6 +209,8 @@
 	u8 rx_status_len;
 	u8 tx_desc_len;
 	u8 txs_len;
+	u16 pcie_lcr_offset;
+	bool pcie_lcr_extsync_en;
 };
 
 struct ath9k_ops_config {