iwlwifi: remove extranious macro from firmware define

define of firmware filenames use extra macro to build the files name.

Signed-off-by: Jay Sternberg <jay.e.sternberg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c
index 66f5fe8..4dafc58 100644
--- a/drivers/net/wireless/iwlwifi/iwl-5000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-5000.c
@@ -59,12 +59,10 @@
 #define IWL5150_UCODE_API_MIN 1
 
 #define IWL5000_FW_PRE "iwlwifi-5000-"
-#define _IWL5000_MODULE_FIRMWARE(api) IWL5000_FW_PRE #api ".ucode"
-#define IWL5000_MODULE_FIRMWARE(api) _IWL5000_MODULE_FIRMWARE(api)
+#define IWL5000_MODULE_FIRMWARE(api) IWL5000_FW_PRE #api ".ucode"
 
 #define IWL5150_FW_PRE "iwlwifi-5150-"
-#define _IWL5150_MODULE_FIRMWARE(api) IWL5150_FW_PRE #api ".ucode"
-#define IWL5150_MODULE_FIRMWARE(api) _IWL5150_MODULE_FIRMWARE(api)
+#define IWL5150_MODULE_FIRMWARE(api) IWL5150_FW_PRE #api ".ucode"
 
 /* NIC configuration for 5000 series */
 static void iwl5000_nic_config(struct iwl_priv *priv)