Update script usage (#19571)

selfdrive/debug/fingerprint_from_route.py

@@ -37,7 +37,7 @@ def get_fingerprint(lr):
 
 if __name__ == "__main__":
   if len(sys.argv) < 2:
-    print("Usage: ./get_fingerprint_internal.py <route>")
+    print("Usage: ./fingerprint_from_route.py <route>")
     sys.exit(1)
 
   route = Route(sys.argv[1])