tilelink2: Nodes should accept full PortParameters

We need this for terminal clients/managers that bridge multiple
non-TL2 devices.

src/main/scala/uncore/tilelink2/Parameters.scala

@@ -391,6 +391,7 @@ case class TLBundleParameters(
   require (isPow2(dataBits))
 
   val addrLoBits = log2Up(dataBits/8)
+  val addressBits = addrHiBits + log2Ceil(dataBits/8)
 
   def union(x: TLBundleParameters) =
     TLBundleParameters(