[IWLWIFI]: remove per-file CFLAGS for IWL define

Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/wireless/iwlwifi/Makefile

 obj-$(CONFIG_IWL3945)	+= iwl3945.o
 iwl3945-objs		= iwl3945-base.o iwl-3945.o iwl-3945-rs.o
-CFLAGS_iwl3945-base.o	= -DIWL=3945
-CFLAGS_iwl-3945.o	= -DIWL=3945
-CFLAGS_iwl-3945-rs.o	= -DIWL=3945
 
 obj-$(CONFIG_IWL4965)	+= iwl4965.o
 iwl4965-objs		= iwl4965-base.o iwl-4965.o iwl-4965-rs.o
-CFLAGS_iwl4965-base.o	= -DIWL=4965
-CFLAGS_iwl-4965.o	= -DIWL=4965
-CFLAGS_iwl-4965-rs.o	= -DIWL=4965

drivers/net/wireless/iwlwifi/iwl-3945-rs.c

@@ -40,6 +40,8 @@
 #include <net/mac80211.h>
 #include <linux/wireless.h>
 
+#define IWL 3945
+
 #include "../net/mac80211/ieee80211_rate.h"
 
 #include "iwlwifi.h"

drivers/net/wireless/iwlwifi/iwl-3945.c

@@ -40,6 +40,8 @@
 #include <linux/etherdevice.h>
 #include <linux/delay.h>
 
+#define IWL 3945
+
 #include "iwlwifi.h"
 #include "iwl-helpers.h"
 #include "iwl-3945.h"

drivers/net/wireless/iwlwifi/iwl-4965-rs.c

@@ -39,6 +39,8 @@
 #include <net/mac80211.h>
 #include <linux/wireless.h>
 
+#define IWL 4965
+
 #include "../net/mac80211/ieee80211_rate.h"
 
 #include "iwlwifi.h"

drivers/net/wireless/iwlwifi/iwl-4965.c

@@ -39,6 +39,8 @@
 #include <linux/etherdevice.h>
 #include <linux/delay.h>
 
+#define IWL 4965
+
 #include "iwlwifi.h"
 #include "iwl-4965.h"
 #include "iwl-helpers.h"

drivers/net/wireless/iwlwifi/iwl3945-base.c

@@ -58,6 +58,8 @@
 
 #include <asm/div64.h>
 
+#define IWL 3945
+
 #include "iwlwifi.h"
 #include "iwl-3945.h"
 #include "iwl-helpers.h"

drivers/net/wireless/iwlwifi/iwl4965-base.c

@@ -58,6 +58,8 @@
 
 #include <asm/div64.h>
 
+#define IWL 4965
+
 #include "iwlwifi.h"
 #include "iwl-4965.h"
 #include "iwl-helpers.h"