iwlagn: Add support for bluetooth statistics notification

WiFi/BT combo devices has different statistics notification
structure, adding the support here to make sure the structure
align correctly.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-calib.h b/drivers/net/wireless/iwlwifi/iwl-calib.h
index 2b7b1df..ba9523f 100644
--- a/drivers/net/wireless/iwlwifi/iwl-calib.h
+++ b/drivers/net/wireless/iwlwifi/iwl-calib.h
@@ -66,10 +66,8 @@
 #include "iwl-core.h"
 #include "iwl-commands.h"
 
-void iwl_chain_noise_calibration(struct iwl_priv *priv,
-				struct iwl_notif_statistics *stat_resp);
-void iwl_sensitivity_calibration(struct iwl_priv *priv,
-				struct iwl_notif_statistics *resp);
+void iwl_chain_noise_calibration(struct iwl_priv *priv, void *stat_resp);
+void iwl_sensitivity_calibration(struct iwl_priv *priv, void *resp);
 
 void iwl_init_sensitivity(struct iwl_priv *priv);
 void iwl_reset_run_time_calib(struct iwl_priv *priv);