iwlagn: move PCI power related functions to the PCI layer

Continue to popule the PCI layer and the iwl_bus_ops with the power related
stuff.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index 700e9f9..797d4f3 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -1193,6 +1193,9 @@
 
 /**
  * struct iwl_bus_ops - bus specific operations
+
+ * @get_pm_support: must returns true if the bus can go to sleep
+ * @apm_config: will be called during the config of the APM configuration
  * @set_drv_data: set the priv pointer to the bus layer
  * @get_dev: returns the device struct
  * @write8: write a byte to register at offset ofs
@@ -1200,6 +1203,8 @@
  * @wread32: read a dword at register at offset ofs
  */
 struct iwl_bus_ops {
+	bool (*get_pm_support)(struct iwl_bus *bus);
+	void (*apm_config)(struct iwl_bus *bus);
 	void (*set_drv_data)(struct iwl_bus *bus, void *priv);
 	struct device *(*get_dev)(const struct iwl_bus *bus);
 	void (*write8)(struct iwl_bus *bus, u32 ofs, u8 val);