added option for padding == 0 in asap7 mock-alu AutoTuner config

fixed global placement cell padding to match detail placement

Signed-off-by: Jeff Ng <[email protected]>

Author: jeffng-or

flow/designs/asap7/mock-alu/autotuner.json

@@ -35,16 +35,16 @@
     "CELL_PAD_IN_SITES_GLOBAL_PLACEMENT": {
         "type": "int",
         "minmax": [
-            1,
-            5
+            0,
+            4
         ],
         "step": 1
     },
     "CELL_PAD_IN_SITES_DETAIL_PLACEMENT": {
         "type": "int",
         "minmax": [
-            1,
-            5
+            0,
+            4
         ],
         "step": 1
     },