update permissible DRC errors

Signed-off-by: Harsh Vardhan <[email protected]>

Author: openroadie

flow/designs/asap7/ethmac_lvt/rules-base.json

@@ -48,7 +48,7 @@
         "compare": "<="
     },
     "detailedroute__route__drc_errors": {
-        "value": 0,
+        "value": 3,
         "compare": "<="
     },
     "finish__timing__setup__ws": {
@@ -83,4 +83,4 @@
         "value": -10.0,
         "compare": ">="
     }
-}
+}