IB/hfi1, qib, rdmavt: Move AETH defines to rdma/ib_hdrs.h

Rename RVT AETH defines and export in rdma/ib_hdrs.h

Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Don Hiatt <don.hiatt@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

drivers/infiniband/hw/hfi1/ruc.c

@@ -580,7 +580,7 @@ rnr_nak:
 	if (!(ib_rvt_state_ops[sqp->state] & RVT_PROCESS_RECV_OK))
 		goto clr_busy;
 	rvt_add_rnr_timer(sqp, qp->r_min_rnr_timer <<
-				RVT_AETH_CREDIT_SHIFT);
+				IB_AETH_CREDIT_SHIFT);
 	goto clr_busy;
 
 op_err: