move some tools back to root (#38235)

tools/scripts/print_flags.py

@@ -0,0 +1,14 @@
+#!/usr/bin/env python3
+from opendbc.car.values import BRANDS
+
+for brand in BRANDS:
+  all_flags = set()
+  for platform in brand:
+    if platform.config.flags != 0:
+      all_flags |= set(platform.config.flags)
+
+  if len(all_flags):
+    print(brand.__module__.split('.')[-2].upper() + ':')
+    for flag in sorted(all_flags):
+      print(f'  {flag.name:<24}:', {platform.name for platform in brand.with_flags(flag)})
+    print()