ath9k: Cleanup debug messages

Clean debug messages to use appropriate levels,
remove useless messages, and trim the number of
debug levels.

Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath9k/debug.h b/drivers/net/wireless/ath9k/debug.h
index 7b0e541..23298b9 100644
--- a/drivers/net/wireless/ath9k/debug.h
+++ b/drivers/net/wireless/ath9k/debug.h
@@ -19,20 +19,16 @@
 
 enum ATH_DEBUG {
 	ATH_DBG_RESET		= 0x00000001,
-	ATH_DBG_REG_IO		= 0x00000002,
-	ATH_DBG_QUEUE		= 0x00000004,
-	ATH_DBG_EEPROM		= 0x00000008,
-	ATH_DBG_CALIBRATE	= 0x00000010,
-	ATH_DBG_CHANNEL		= 0x00000020,
-	ATH_DBG_INTERRUPT	= 0x00000040,
-	ATH_DBG_REGULATORY	= 0x00000080,
-	ATH_DBG_ANI		= 0x00000100,
-	ATH_DBG_POWER_MGMT	= 0x00000200,
-	ATH_DBG_XMIT		= 0x00000400,
-	ATH_DBG_BEACON		= 0x00001000,
-	ATH_DBG_CONFIG		= 0x00002000,
-	ATH_DBG_KEYCACHE	= 0x00004000,
-	ATH_DBG_FATAL		= 0x00008000,
+	ATH_DBG_QUEUE		= 0x00000002,
+	ATH_DBG_EEPROM		= 0x00000004,
+	ATH_DBG_CALIBRATE	= 0x00000008,
+	ATH_DBG_INTERRUPT	= 0x00000010,
+	ATH_DBG_REGULATORY	= 0x00000020,
+	ATH_DBG_ANI		= 0x00000040,
+	ATH_DBG_XMIT		= 0x00000080,
+	ATH_DBG_BEACON		= 0x00000100,
+	ATH_DBG_CONFIG		= 0x00000200,
+	ATH_DBG_FATAL		= 0x00000400,
 	ATH_DBG_ANY		= 0xffffffff
 };