ath9k_htc: Add support for AR7010

Add the USB device IDs for AR7010 and handle
firmware loading properly.

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/ath9k/hif_usb.h b/drivers/net/wireless/ath/ath9k/hif_usb.h
index b2647e8..2daf97b 100644
--- a/drivers/net/wireless/ath/ath9k/hif_usb.h
+++ b/drivers/net/wireless/ath/ath9k/hif_usb.h
@@ -19,6 +19,7 @@
 
 #define AR9271_FIRMWARE       0x501000
 #define AR9271_FIRMWARE_TEXT  0x903000
+#define AR7010_FIRMWARE_TEXT  0x906000
 
 #define FIRMWARE_DOWNLOAD       0x30
 #define FIRMWARE_DOWNLOAD_COMP  0x31