move cde and hardfloat to dependencies folder

.gitmodules

@@ -1,6 +1,6 @@
-[submodule "hardfloat"]
-	path = hardfloat
+[submodule "dependencies/hardfloat"]
+	path = dependencies/hardfloat
 	url = https://github.com/ucb-bar/berkeley-hardfloat.git
-[submodule "cde"]
-	path = cde
+[submodule "dependencies/cde"]
+	path = dependencies/cde
 	url = https://github.com/chipsalliance/cde.git

build.sc

@@ -2,8 +2,8 @@ import mill._
 import mill.scalalib._
 import mill.scalalib.publish._
 import coursier.maven.MavenRepository
-import $file.hardfloat.common
-import $file.cde.common
+import $file.dependencies.hardfloat.common
+import $file.dependencies.cde.common
 import $file.common
 
 object v {
@@ -33,13 +33,13 @@ trait Macros
 object hardfloat extends mill.define.Cross[Hardfloat](v.chiselCrossVersions.keys.toSeq)
 
 trait Hardfloat
-  extends millbuild.hardfloat.common.HardfloatModule
+  extends millbuild.dependencies.hardfloat.common.HardfloatModule
     with RocketChipPublishModule
     with Cross.Module[String] {
 
   def scalaVersion: T[String] = T(v.scala)
 
-  override def millSourcePath = os.pwd / "hardfloat" / "hardfloat"
+  override def millSourcePath = os.pwd / "dependencies" / "hardfloat" / "hardfloat"
 
   def chiselModule = None
 
@@ -53,13 +53,13 @@ trait Hardfloat
 object cde extends CDE
 
 trait CDE
-  extends millbuild.cde.common.CDEModule
+  extends millbuild.dependencies.cde.common.CDEModule
     with RocketChipPublishModule
     with ScalaModule {
 
   def scalaVersion: T[String] = T(v.scala)
 
-  override def millSourcePath = os.pwd / "cde" / "cde"
+  override def millSourcePath = os.pwd / "dependencies" / "cde" / "cde"
 }
 
 object rocketchip extends Cross[RocketChip](v.chiselCrossVersions.keys.toSeq)