iwlwifi: enable RF kill interrupt in start_hw

The op_mode wants to know about changes in HW RF kill state.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>

drivers/net/wireless/iwlwifi/iwl-trans-pcie.c

@@ -1420,6 +1420,9 @@ static int iwl_trans_pcie_start_hw(struct iwl_trans *trans)
 
 	iwl_apm_init(trans);
 
+	/* From now on, the op_mode will be kept updated about RF kill state */
+	iwl_enable_rfkill_int(trans);
+
 	hw_rfkill = iwl_is_rfkill_set(trans);
 	iwl_op_mode_hw_rf_kill(trans->op_mode, hw_rfkill);