iwlwifi: pcie: make gen2 of apm_init non-static

This will allow using the same init in future generations.
Signed-off-by: Golan Ben Ami <golan.ben.ami@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>

drivers/net/wireless/intel/iwlwifi/pcie/internal.h

@@ -1009,6 +1009,7 @@ void iwl_pcie_enable_rx_wake(struct iwl_trans *trans, bool enable);
 void iwl_pcie_rx_allocator_work(struct work_struct *data);
 
 /* common functions that are used by gen2 transport */
+int iwl_pcie_gen2_apm_init(struct iwl_trans *trans);
 void iwl_pcie_apm_config(struct iwl_trans *trans);
 int iwl_pcie_prepare_card_hw(struct iwl_trans *trans);
 void iwl_pcie_synchronize_irqs(struct iwl_trans *trans);

drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c

@@ -61,7 +61,7 @@
  * (e.g. after platform boot, or shutdown via iwl_pcie_apm_stop())
  * NOTE:  This does not load uCode nor start the embedded processor
  */
-static int iwl_pcie_gen2_apm_init(struct iwl_trans *trans)
+int iwl_pcie_gen2_apm_init(struct iwl_trans *trans)
 {
 	int ret = 0;