ath: Add Wake-on-Wireless debug mask

to help the developers and users to debug/know
whats happening with WoW

Cc: Senthil Balasubramanian <senthilb@qca.qualcomm.com>
Cc: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Cc: vadivel@qca.qualcomm.com
Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/ath.h b/drivers/net/wireless/ath/ath.h
index 420d69b..6169fbd 100644
--- a/drivers/net/wireless/ath/ath.h
+++ b/drivers/net/wireless/ath/ath.h
@@ -216,6 +216,7 @@
  *	used exclusively for WLAN-BT coexistence starting from
  *	AR9462.
  * @ATH_DBG_DFS: radar datection
+ * @ATH_DBG_WOW: Wake on Wireless
  * @ATH_DBG_ANY: enable all debugging
  *
  * The debug level is used to control the amount and type of debugging output
@@ -243,6 +244,7 @@
 	ATH_DBG_BSTUCK		= 0x00008000,
 	ATH_DBG_MCI		= 0x00010000,
 	ATH_DBG_DFS		= 0x00020000,
+	ATH_DBG_WOW		= 0x00040000,
 	ATH_DBG_ANY		= 0xffffffff
 };