staging/rdma/hfi1: Clean up macro indentation

In preparation for implementing Expected TID caching we do some simple clean up
of header file macros.

Signed-off-by: Mitko Haralanov <mitko.haralanov@intel.com>
Signed-off-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>