iwlwifi: kill bus_get_hw_id_string

Get this information from the transport layer.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-trans.h b/drivers/net/wireless/iwlwifi/iwl-trans.h
index 7f6963f..593102d8 100644
--- a/drivers/net/wireless/iwlwifi/iwl-trans.h
+++ b/drivers/net/wireless/iwlwifi/iwl-trans.h
@@ -234,6 +234,7 @@
  * @reg_lock - protect hw register access
  * @dev - pointer to struct device * that represents the device
  * @irq - the irq number for the device
+ * @hw_id_str: a string with info about HW ID. Set during transport allocation.
  * @ucode_write_complete: indicates that the ucode has been copied.
  * @ucode_rt: run time ucode image
  * @ucode_init: init ucode image
@@ -250,6 +251,7 @@
 
 	struct device *dev;
 	unsigned int irq;
+	char hw_id_str[52];
 
 	u8 ucode_write_complete;	/* the image write is complete */
 	struct fw_img ucode_rt;