Fixes the following W=1 kernel build warning(s):

 drivers/infiniband/sw/rdmavt/qp.c:165: warning: Function parameter or member 'rdi' not described in 'rvt_wss_init'
 drivers/infiniband/sw/rdmavt/qp.c:329: warning: Function parameter or member 'rdi' not described in 'init_qpn_table'
 drivers/infiniband/sw/rdmavt/qp.c:534: warning: Function parameter or member 'type' not described in 'alloc_qpn'
 drivers/infiniband/sw/rdmavt/qp.c:664: warning: Function parameter or member 'wqe' not described in 'rvt_swqe_has_lkey'
 drivers/infiniband/sw/rdmavt/qp.c:664: warning: Function parameter or member 'lkey' not described in 'rvt_swqe_has_lkey'
 drivers/infiniband/sw/rdmavt/qp.c:682: warning: Function parameter or member 'qp' not described in 'rvt_qp_sends_has_lkey'
 drivers/infiniband/sw/rdmavt/qp.c:682: warning: Function parameter or member 'lkey' not described in 'rvt_qp_sends_has_lkey'
 drivers/infiniband/sw/rdmavt/qp.c:706: warning: Function parameter or member 'qp' not described in 'rvt_qp_acks_has_lkey'
 drivers/infiniband/sw/rdmavt/qp.c:706: warning: Function parameter or member 'lkey' not described in 'rvt_qp_acks_has_lkey'
 drivers/infiniband/sw/rdmavt/qp.c:866: warning: Function parameter or member 'rdi' not described in 'rvt_init_qp'
 drivers/infiniband/sw/rdmavt/qp.c:920: warning: Function parameter or member 'rdi' not described in '_rvt_reset_qp'
 drivers/infiniband/sw/rdmavt/qp.c:1736: warning: Function parameter or member 'udata' not described in 'rvt_destroy_qp'
 drivers/infiniband/sw/rdmavt/qp.c:1924: warning: Function parameter or member 'qp' not described in 'rvt_qp_valid_operation'
 drivers/infiniband/sw/rdmavt/qp.c:1924: warning: Function parameter or member 'post_parms' not described in 'rvt_qp_valid_operation'
 drivers/infiniband/sw/rdmavt/qp.c:1924: warning: Function parameter or member 'wr' not described in 'rvt_qp_valid_operation'
 drivers/infiniband/sw/rdmavt/qp.c:2020: warning: Function parameter or member 'call_send' not described in 'rvt_post_one_wr'
 drivers/infiniband/sw/rdmavt/qp.c:2621: warning: Function parameter or member 'qp' not described in 'rvt_stop_rnr_timer'

Link: https://lore.kernel.org/r/20210121094519.2044049-31-lee.jones@linaro.org
Cc: Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com>
Cc: Mike Marciniszyn <mike.marciniszyn@cornelisnetworks.com>
Cc: Doug Ledford <dledford@redhat.com>
Cc: Jason Gunthorpe <jgg@ziepe.ca>
Cc: linux-rdma@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>