iwlwifi: add debugfs to disable/enable run time calibration

This patch adds functionality to debugfs to enable or disable chain
noise or sensitivity calibrations.

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index b1ff0af..820542b 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -1212,9 +1212,13 @@
 #endif /* CONFIG_IWLWIFI_DEBUG */
 
 	struct work_struct txpower_work;
+#ifdef CONFIG_IWLWIFI_RUN_TIME_CALIB
+	u32 disable_sens_cal;
+	u32 disable_chain_noise_cal;
+#endif /* CONFIG_IWLWIFI_RUN_TIME_CALIB */
 #ifdef CONFIG_IWL4965_RUN_TIME_CALIB
 	struct work_struct sensitivity_work;
-#endif
+#endif /* CONFIG_IWL4965_RUN_TIME_CALIB */
 	struct timer_list statistics_periodic;
 }; /*iwl_priv */