utils: tuning: libtuning: Implement extensible components of libtuning

Implement the extensible components of libtuning. This includes:
- Parsers, for supporting different types of input config file formats
- Generators, for supporting different types of output tuning file
  formats
- Modules, for supporting different tuning modules for different
  algorithms and platforms

No parsers, generators, or modules are actually implemented. Only the
base classes are implemented.

Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

utils/tuning/libtuning/generators/generator.py

@@ -0,0 +1,15 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+#
+# Copyright (C) 2022, Paul Elder <paul.elder@ideasonboard.com>
+#
+# generator.py - Base class for a generator to convert dict to tuning file
+
+from pathlib import Path
+
+
+class Generator(object):
+    def __init__(self):
+        pass
+
+    def write(self, output_path: Path, output_dict: dict, output_order: list):
+        raise NotImplementedError