iwlwifi: generic parameter define for _agn device

Code clean up to change name from having 5000 as part of name which easy
to confuse and think it is for 5000 series devices to more
generic _agn name since it is being used by multiple _agn devices.

No functional changes.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-commands.h b/drivers/net/wireless/iwlwifi/iwl-commands.h
index 0844955..d887b57 100644
--- a/drivers/net/wireless/iwlwifi/iwl-commands.h
+++ b/drivers/net/wireless/iwlwifi/iwl-commands.h
@@ -958,8 +958,8 @@
 #define IWL3945_STATION_COUNT	25
 #define IWL4965_BROADCAST_ID	31
 #define	IWL4965_STATION_COUNT	32
-#define IWL5000_BROADCAST_ID	15
-#define	IWL5000_STATION_COUNT	16
+#define IWLAGN_BROADCAST_ID	15
+#define	IWLAGN_STATION_COUNT	16
 
 #define	IWL_STATION_COUNT	32 	/* MAX(3945,4965)*/
 #define	IWL_INVALID_STATION 	255