IB/rdmavt: Add common LID defines to rdmavt

Original patch is from Kamal Heib <kamalh@mellanox.com>. It has
been split into separate patches.

This patch adds RVT_PERMISSIVE_LID and RVT_MULTICAST_LID_BASE
to rdmavt.
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Kamal Heib <kamalh@mellanox.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

include/rdma/rdma_vt.h

@@ -55,6 +55,9 @@
 
 #include "ib_verbs.h"
 
+#define RVT_MULTICAST_LID_BASE 0xC000
+#define RVT_PERMISSIVE_LID 0xFFFF
+
 /*
  * For some of the IBTA objects there will likely be some
  * initializations required. We need flags to determine whether it is OK