RDMA/hw/i40iw/i40iw_hw: Provide description for 'ipv4', remove 'user_pri' and fix 'iwcq'

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

 drivers/infiniband/hw/i40iw/i40iw_hw.c:172: warning: Function parameter or member 'iwcq' not described in 'i40iw_iwarp_ce_handler'
 drivers/infiniband/hw/i40iw/i40iw_hw.c:172: warning: Excess function parameter 'iwcp' description in 'i40iw_iwarp_ce_handler'
 drivers/infiniband/hw/i40iw/i40iw_hw.c:529: warning: Function parameter or member 'ipv4' not described in 'i40iw_manage_arp_cache'
 drivers/infiniband/hw/i40iw/i40iw_hw.c:592: warning: Excess function parameter 'user_pri' description in 'i40iw_manage_qhash'

Link: https://lore.kernel.org/r/20210118223929.512175-7-lee.jones@linaro.org
Cc: Faisal Latif <faisal.latif@intel.com>
Cc: Shiraz Saleem <shiraz.saleem@intel.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/i40iw/i40iw_hw.c

@@ -165,7 +165,7 @@ static void i40iw_cqp_ce_handler(struct i40iw_device *iwdev, struct i40iw_sc_cq
 /**
  * i40iw_iwarp_ce_handler - handle iwarp completions
  * @iwdev: iwarp device
- * @iwcp: iwarp cq receiving event
+ * @iwcq: iwarp cq receiving event
  */
 static void i40iw_iwarp_ce_handler(struct i40iw_device *iwdev,
 				   struct i40iw_sc_cq *iwcq)
@@ -519,6 +519,7 @@ enum i40iw_status_code i40iw_manage_apbvt(struct i40iw_device *iwdev,
  * @iwdev: iwarp device
  * @mac_addr: mac address ptr
  * @ip_addr: ip addr for arp cache
+ * @ipv4: flag indicating IPv4 when true
  * @action: add, delete or modify
  */
 void i40iw_manage_arp_cache(struct i40iw_device *iwdev,
@@ -581,7 +582,6 @@ static void i40iw_send_syn_cqp_callback(struct i40iw_cqp_request *cqp_request, u
  * @mtype: type of qhash
  * @cmnode: cmnode associated with connection
  * @wait: wait for completion
- * @user_pri:user pri of the connection
  */
 enum i40iw_status_code i40iw_manage_qhash(struct i40iw_device *iwdev,
 					  struct i40iw_cm_info *cminfo,