Merge pull request #8023 from AcKoucher/mpl-mixed-leaf-comment

mpl: fix misleading comment

Author: eder-matheus

src/mpl/src/clusterEngine.cpp

@@ -1989,14 +1989,10 @@ void ClusteringEngine::breakMixedLeaves(
   }
 }
 
-// Break mixed leaf into standard-cell and hard-macro clusters.
-// Merge macros based on connection signature and footprint.
-// Based on types of designs, we support two types of breaking up:
-//   1) Replace cluster A by A1, A2, A3
-//   2) Create a subtree:
-//      A  ->        A
-//               |   |   |
-//               A1  A2  A3
+// "Split" mixed leaf by replacing it for standard-cell and macro
+// clusters. Macro clusters are formed by grouping the macros in
+// the mixed leaf according to footprint, connection signature and
+// interconnectivity.
 void ClusteringEngine::breakMixedLeaf(Cluster* mixed_leaf)
 {
   Cluster* parent = mixed_leaf->getParent();