IB/hfi1: Add traces for TID RDMA READ

This patch adds traces to debug packet loss and retry for TID RDMA READ
protocol.

Link: https://lore.kernel.org/r/20190911113041.126040.64541.stgit@awfm-01.aw.intel.com


Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Kaike Wan <kaike.wan@intel.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>