RDMA/sw/rdmavt/qp: Fix kernel-doc formatting problem

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

 drivers/infiniband/sw/rdmavt/qp.c:1929: warning: Function parameter or member 'post_parms' not described in 'rvt_qp_valid_operation'

Link: https://lore.kernel.org/r/20210126124732.3320971-8-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>

drivers/infiniband/sw/rdmavt/qp.c

@@ -1907,7 +1907,7 @@ int rvt_post_recv(struct ib_qp *ibqp, const struct ib_recv_wr *wr,
 /**
  * rvt_qp_valid_operation - validate post send wr request
  * @qp: the qp
- * @post_parms_ the post send table for the driver
+ * @post_parms: the post send table for the driver
  * @wr: the work request
  *
  * The routine validates the operation based on the