iwlwifi: add iwl_hw_detect function to iwl core

This patch add iwl_hw_detect function to iwl core

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.h b/drivers/net/wireless/iwlwifi/iwl-4965.h
index 6df51cc..1ab4e2e 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965.h
+++ b/drivers/net/wireless/iwlwifi/iwl-4965.h
@@ -1003,6 +1003,9 @@
 
 	/* pci hardware address support */
 	void __iomem *hw_base;
+	u32  hw_rev;
+	u32  hw_wa_rev;
+	u8   rev_id;
 
 	/* uCode images, save to reload in case of failure */
 	struct fw_desc ucode_code;	/* runtime inst */