[sbt] Use tools/chisel3 not rocketchip/chisel3
@@ -79,7 +79,7 @@ def isolateAllTests(tests: Seq[TestDefinition]) = tests map { test =>
// before launching sbt if any of the firrtl source files has been updated
// The jar is dropped in chipyard's lib/ directory, which is used as the unmanagedBase
// for all subprojects
-lazy val chisel = (project in rocketChipDir / "chisel3")
+lazy val chisel = (project in file("tools/chisel3"))
lazy val firrtl_interpreter = (project in file("tools/firrtl-interpreter"))
.settings(commonSettings)
