RDMA/hw/hfi1/exp_rcv: Fix some kernel-doc formatting issues

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

 drivers/infiniband/hw/hfi1/exp_rcv.c:56: warning: Function parameter or member 'set' not described in 'hfi1_exp_tid_set_init'
 drivers/infiniband/hw/hfi1/exp_rcv.c:66: warning: Function parameter or member 'rcd' not described in 'hfi1_exp_tid_group_init'
 drivers/infiniband/hw/hfi1/exp_rcv.c:77: warning: Function parameter or member 'rcd' not described in 'hfi1_alloc_ctxt_rcv_groups'
 drivers/infiniband/hw/hfi1/exp_rcv.c:114: warning: Function parameter or member 'rcd' not described in 'hfi1_free_ctxt_rcv_groups'

Link: https://lore.kernel.org/r/20210121094519.2044049-24-lee.jones@linaro.org
Cc: Mike Marciniszyn <mike.marciniszyn@cornelisnetworks.com>
Cc: Dennis Dalessandro <dennis.dalessandro@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/hw/hfi1/exp_rcv.c

@@ -50,7 +50,7 @@
 
 /**
  * exp_tid_group_init - initialize exp_tid_set
- * @set - the set
+ * @set: the set
  */
 static void hfi1_exp_tid_set_init(struct exp_tid_set *set)
 {
@@ -60,7 +60,7 @@ static void hfi1_exp_tid_set_init(struct exp_tid_set *set)
 
 /**
  * hfi1_exp_tid_group_init - initialize rcd expected receive
- * @rcd - the rcd
+ * @rcd: the rcd
  */
 void hfi1_exp_tid_group_init(struct hfi1_ctxtdata *rcd)
 {
@@ -71,7 +71,7 @@ void hfi1_exp_tid_group_init(struct hfi1_ctxtdata *rcd)
 
 /**
  * alloc_ctxt_rcv_groups - initialize expected receive groups
- * @rcd - the context to add the groupings to
+ * @rcd: the context to add the groupings to
  */
 int hfi1_alloc_ctxt_rcv_groups(struct hfi1_ctxtdata *rcd)
 {
@@ -101,7 +101,7 @@ int hfi1_alloc_ctxt_rcv_groups(struct hfi1_ctxtdata *rcd)
 
 /**
  * free_ctxt_rcv_groups - free  expected receive groups
- * @rcd - the context to free
+ * @rcd: the context to free
  *
  * The routine dismantles the expect receive linked
  * list and clears any tids associated with the receive