iwlwifi: remove duplicated/unused definition

"IWL_CMD_QUEUE_NUM" is being defined in multiple places and used by all
the devices. move it to iwl-dev.h file and shared by all the devices.

Remove "IWL_CMD_FIFO_NUM", replaced by "IWL49_CMD_FIFO_NUM" and IWL50_CMD_FIFO_NUM"
Signed-off-by: NWey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: NReinette Chatre <reinette.chatre@intel.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

drivers/net/wireless/iwlwifi/iwl-3945-hw.h

@@ -71,12 +71,6 @@
 
 #include "iwl-eeprom.h"
 
-/*
- * uCode queue management definitions ...
- * Queue #4 is the command queue for 3945 and 4965.
- */
-#define IWL_CMD_QUEUE_NUM	4
-
 /* Time constants */
 #define SHORT_SLOT_TIME 9
 #define LONG_SLOT_TIME 20

drivers/net/wireless/iwlwifi/iwl-4965-hw.h

@@ -76,12 +76,9 @@
 
 /*
  * uCode queue management definitions ...
- * Queue #4 is the command queue for 3945 and 4965; map it to Tx FIFO chnl 4.
  * The first queue used for block-ack aggregation is #7 (4965 only).
  * All block-ack aggregation queues should map to Tx DMA/FIFO channel 7.
  */
-#define IWL_CMD_QUEUE_NUM       4
-#define IWL_CMD_FIFO_NUM        4
 #define IWL49_FIRST_AMPDU_QUEUE	7
 
 /* Time constants */

drivers/net/wireless/iwlwifi/iwl-dev.h

@@ -323,6 +323,12 @@ struct iwl_channel_info {
  * queue, 2 (unused) HCCA queues, and 4 HT queues (one for each AC) */
 #define IWL_MIN_NUM_QUEUES	10
 
+/*
+ * uCode queue management definitions ...
+ * Queue #4 is the command queue for 3945/4965/5x00/1000/6x00.
+ */
+#define IWL_CMD_QUEUE_NUM	4
+
 /* Power management (not Tx power) structures */
 
 enum iwl_pwr_src {