iwlwifi: add apm init handler

This patch add apm init handler to iwlcore handler

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h
index 79e9793..edda2ff9 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.h
+++ b/drivers/net/wireless/iwlwifi/iwl-core.h
@@ -115,7 +115,9 @@
 	int (*load_ucode)(struct iwl_priv *priv);
 	/* rfkill */
 	void (*radio_kill_sw)(struct iwl_priv *priv, int disable_radio);
+	 /* power management */
 	struct {
+		int (*init)(struct iwl_priv *priv);
 		int (*set_pwr_src)(struct iwl_priv *priv, enum iwl_pwr_src src);
 	} apm_ops;
 	/* power */