LU-3963 ptlrpc: convert to linux list api

LU-3963 ptlrpc: convert to linux list api

Move from the cfs_[h]list api to the native linux api for
the ptlrpc layer.

Change-Id: I6bc059be4530c53bbd4b51d2fdd84608727ee371
Signed-off-by: James Simmons <uja.ornl@gmail.com>
Reviewed-on: http://review.whamcloud.com/10526
Tested-by: Jenkins
Reviewed-by: Bob Glossman <bob.glossman@intel.com>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Nathaniel Clark <nathaniel.l.clark@intel.com>