Documentation/auxiliary_bus: Clarify the release of devices from find device

auxiliary_find_device() takes a proper get_device() reference on the
device before returning the matched device.

Users of this call should be informed that they need to properly release
this reference with put_device().

Signed-off-by: Ira Weiny <ira.weiny@intel.com>
Link: https://lore.kernel.org/r/20211202044305.4006853-7-ira.weiny@intel.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>