Add wells to driver stages. Remove unnecessary height/center in control logic.

compiler/modules/control_logic.py

@@ -338,8 +338,6 @@ class control_logic(design.design):
             row += 1
         if (self.port_type == "rw") or (self.port_type == "w"):
             self.place_wen_row(row)
-            height = self.w_en_gate_inst.uy()
-            control_center_y = self.w_en_gate_inst.uy()
             row += 1
         self.place_pen_row(row)
         row += 1

compiler/pgates/pdriver.py

@@ -87,13 +87,11 @@ class pdriver(pgate.pgate):
 
     def add_modules(self):
         self.inv_list = []
-        add_well = self.add_wells
         for size in self.size_list:
             temp_inv = factory.create(module_type="pinv",
                                       size=size,
                                       height=self.height,
-                                      add_wells=add_well)
-            add_well=False
+                                      add_wells=self.add_wells)
             self.inv_list.append(temp_inv)
             self.add_mod(temp_inv)