net: qed: Remove unnecessary cast

In qed_rdma_destroy_cq() the result of dma_alloc_coherent() is cast from
void* unnecessarily. Remove cast.

Issue identified with Coccinelle.
Signed-off-by: Alex Dewar <alex.dewar90@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/qlogic/qed/qed_rdma.c

@@ -1151,7 +1151,6 @@ qed_rdma_destroy_cq(void *rdma_cxt,
 	DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "icid = %08x\n", in_params->icid);
 
 	p_ramrod_res =
-	    (struct rdma_destroy_cq_output_params *)
 	    dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
 			       sizeof(struct rdma_destroy_cq_output_params),
 			       &ramrod_res_phys, GFP_KERNEL);