From: Martin Schwidefsky <schwidefsky@de.ibm.com>

Common i/o layer fixes:

- Remove documentation entry for non-existent cio_notoper_msg parameter.

- Add documentation for availability attritube.

- Replace function of the steal_lock attribute by "echo force" to the
  online attribute.

- Trigger device sensing in the online function for unknown devices.

- Always try to get devices online even if they are marked reserved.
  Someone could have released the device while it was offline.

- Add try_module_get/module_put pairs to the online function of ccw devices
  and ccwgroup devices.

- Add owner field to ccwgroup driver structure.  Set owner field in ctc,
  lcs and qeth.

- Fix alignment problems in channel measurement block interface.