tilelink2: refactor address into addr_hi on ABC and addr_lo on CD

We need addr_lo in order to properly convert widths.
As part of the refactoring, move all methods out of the Bundles

src/main/scala/uncore/tilelink2/TLNodes.scala

@@ -23,10 +23,6 @@ object TLImp extends NodeImp[TLClientPortParameters, TLManagerPortParameters, TL
     require (eo.asInstanceOf[TLEdgeParameters] == ei.asInstanceOf[TLEdgeParameters])
     TLMonitor.legalize(bo, eo, bi, ei)
     bi <> bo
-    val mask = UInt(ei.manager.beatBytes - 1)
-    bi.a.bits.address := ~(mask | ~bo.a.bits.address)
-    bo.b.bits.address := ~(mask | ~bi.b.bits.address)
-    bi.c.bits.address := ~(mask | ~bo.c.bits.address)
   }
 }