iwlagn: kill iwlagn_setup_deferred_work

Since iwlagn_setup_deferred_work is always called, fold it into
iwl_setup_deferred_work. BT related works are setup by the new
bt_setup_deferred_work lib_ops.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.guy@intel.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-2000.c b/drivers/net/wireless/iwlwifi/iwl-2000.c
index c913410..aff555c 100644
--- a/drivers/net/wireless/iwlwifi/iwl-2000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-2000.c
@@ -167,7 +167,6 @@
 
 static struct iwl_lib_ops iwl2000_lib = {
 	.set_hw_params = iwl2000_hw_set_hw_params,
-	.setup_deferred_work = iwlagn_setup_deferred_work,
 	.nic_config = iwl2000_nic_config,
 	.eeprom_ops = {
 		.regulatory_bands = {
@@ -187,7 +186,7 @@
 static struct iwl_lib_ops iwl2030_lib = {
 	.set_hw_params = iwl2000_hw_set_hw_params,
 	.bt_rx_handler_setup = iwlagn_bt_rx_handler_setup,
-	.setup_deferred_work = iwlagn_bt_setup_deferred_work,
+	.bt_setup_deferred_work = iwlagn_bt_setup_deferred_work,
 	.cancel_deferred_work = iwlagn_bt_cancel_deferred_work,
 	.nic_config = iwl2000_nic_config,
 	.eeprom_ops = {