LU-9558 llite: handle struct vm_operations changes

LU-9558 llite: handle struct vm_operations changes

For the linux 4.11 kernel passing in struct vm_area_struct
to struct vm_operations members has been removed since
struct vm_area_struct has been merged into struct vm_fault.
Handle these changes in the llite layer.

Linux-commit: 11bac80004499ea59f361ef2a5516c84b6eab675

Test-Parameters: trivial

Change-Id: Ie44dd50de487044e3e2205978b7a36b15f7b0983
Signed-off-by: James Simmons <uja.ornl@yahoo.com>
Reviewed-on: https://review.whamcloud.com/27651
Reviewed-by: Dmitry Eremin <dmitry.eremin@intel.com>
Reviewed-by: Bob Glossman <bob.glossman@intel.com>
Tested-by: Jenkins
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>