mei: expose device state in sysfs

Expose mei device state to user-space through sysfs.
This gives indication to applications that driver is in transition,
usefully mostly to detect link reset state.

Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/misc/mei/client.c

@@ -669,7 +669,7 @@ int mei_cl_unlink(struct mei_cl *cl)
 
 void mei_host_client_init(struct mei_device *dev)
 {
-	dev->dev_state = MEI_DEV_ENABLED;
+	mei_set_devstate(dev, MEI_DEV_ENABLED);
 	dev->reset_count = 0;
 
 	schedule_work(&dev->bus_rescan_work);