nvme: add param to force lightnvm use
nvme: add static vsl allocation
nvme: fix static vsl config to 2G in size
nvme: force complete to vsl_complete_rq on use_lightnvm param
Merge branch 'lightnvm-next' into lnvm-trace

* lightnvm-next:
  nvme: force complete to vsl_complete_rq on use_lightnvm param
  nvme: fix static vsl config to 2G in size
  nvme: add static vsl allocation
  nvme: add param to force lightnvm use