Merge pull request #2492 from smunaut/fix-floorplan-def-variable

variables: FLOORPLAN_DEF is also used in place stage

Author: maliberty

flow/scripts/variables.yaml

@@ -184,6 +184,7 @@ FLOORPLAN_DEF:
     Use the DEF file to initialize floorplan.
   stages:
     - floorplan
+    - place
 REMOVE_ABC_BUFFERS:
   description: >
     Remove abc buffers from the netlist.