diplomacy: make config.Parameters available in bundle connect()

This makes it posisble to use Parameters to control Monitors.
However, we need to make all LazyModules carry Parameters.

src/main/scala/rocketchip/TestHarness.scala

@@ -9,11 +9,10 @@ import diplomacy._
 import coreplex._
 import uncore.axi4._
 
-class TestHarness(q: Parameters) extends Module {
+class TestHarness()(implicit p: Parameters) extends Module {
   val io = new Bundle {
     val success = Bool(OUTPUT)
   }
-  implicit val p = q
   val dut = Module(LazyModule(new ExampleRocketTop).module)
 
   for (int <- dut.io.interrupts(0))