LU-6215 llite: bio_endio only takes one argument for 4.2

LU-6215 llite: bio_endio only takes one argument for 4.2

For the 4.2 kernel bio_endio() is down to taking only
one argument. This patch handles this API change.

Change-Id: I22edc64e76d22241c8c809acf58cf64dd67bbb61
Signed-off-by: James Simmons <uja.ornl@yahoo.com>
Reviewed-on: http://review.whamcloud.com/16278
Reviewed-by: Dmitry Eremin <dmitry.eremin@intel.com>
Tested-by: Jenkins
Reviewed-by: Frank Zago <fzago@cray.com>
Reviewed-by: Bob Glossman <bob.glossman@intel.com>
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: John L. Hammond <john.hammond@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>