staging/rdma/hfi1: Remove blank line before close brace

Remove extra blank line before close brace to fix checkpatch check:
CHECK: Blank lines aren't necessary before a close brace '}'

Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Jubin John <jubin.john@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>