IB/core: Rename struct ib_ah_attr to rdma_ah_attr

This patch simply renames struct ib_ah_attr to
rdma_ah_attr as these fields specify attributes that are
not necessarily specific to IB.

Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Reviewed-by: Don Hiatt <don.hiatt@intel.com>
Reviewed-by: Niranjana Vishwanathapura <niranjana.vishwanathapura@intel.com>
Reviewed-by: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Dasaratharaman Chandramouli <dasaratharaman.chandramouli@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c
index 6535f09..c9751cc 100644
--- a/drivers/infiniband/core/cm.c
+++ b/drivers/infiniband/core/cm.c
@@ -228,7 +228,7 @@ struct cm_device {
 struct cm_av {
 	struct cm_port *port;
 	union ib_gid dgid;
-	struct ib_ah_attr ah_attr;
+	struct rdma_ah_attr ah_attr;
 	u16 pkey_index;
 	u8 timeout;
 };