forgot to put htif into uncore package

rocket/src/main/scala/core.scala

@@ -1,8 +1,9 @@
 package rocket
 
 import Chisel._
-import uncore.constants.MemoryOpConstants._
 import Util._
+import uncore.HTIFIO
+import uncore.constants.MemoryOpConstants._
 
 class RocketIO(implicit conf: RocketConfiguration) extends Bundle
 {

rocket/src/main/scala/dpath.scala

@@ -3,6 +3,7 @@ package rocket
 import Chisel._
 import Instructions._
 import Util._
+import uncore.HTIFIO
 import uncore.constants.AddressConstants._
 
 class Datapath(implicit conf: RocketConfiguration) extends Module

rocket/src/main/scala/dpath_util.scala

@@ -3,6 +3,7 @@ package rocket
 import Chisel._
 import Util._
 import Node._
+import uncore.HTIFIO
 import uncore.constants.AddressConstants._
 import scala.math._