ath9k: Adding support for Atheros AR9285 chipset.

Signed-off-by: Senthil Balasubramanian <senthilkumar@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath9k/ath9k.h b/drivers/net/wireless/ath9k/ath9k.h
index 9520aa0..d278135 100644
--- a/drivers/net/wireless/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath9k/ath9k.h
@@ -26,6 +26,7 @@
 #define AR9160_DEVID_PCI	0x0027
 #define AR9280_DEVID_PCI	0x0029
 #define AR9280_DEVID_PCIE	0x002a
+#define AR9285_DEVID_PCIE	0x002b
 
 #define AR5416_AR9100_DEVID	0x000b