RDMA/qedr: fix spelling mistake: "failes" -> "fails"

Trivial fix to spelling mistake in DP_ERR error message
Signed-off-by: NColin Ian King <colin.king@canonical.com>
Signed-off-by: NDoug Ledford <dledford@redhat.com>

drivers/infiniband/hw/qedr/verbs.c

@@ -2579,7 +2579,7 @@ static int qedr_set_page(struct ib_mr *ibmr, u64 addr)
 	u32 pbes_in_page;
 
 	if (unlikely(mr->npages == mr->info.pbl_info.num_pbes)) {
-		DP_ERR(mr->dev, "qedr_set_page failes when %d\n", mr->npages);
+		DP_ERR(mr->dev, "qedr_set_page fails when %d\n", mr->npages);
 		return -ENOMEM;
 	}