feat: add Yosys synthesis scripts and update PDK paths

- Introduced common setup script for Yosys () to manage global variables and configurations.
- Added output filtering script () to enhance log readability.
- Created technology initialization script () for handling different PDKs.
- Developed main synthesis script () to orchestrate the synthesis flow using Yosys.
- Added a configuration makefile () for synthesis settings.
- Updated Yosys makefile () to integrate new scripts and configurations.
- Adjusted paths in  and RTL filelists to reflect new directory structure under .
- Modified various scripts and test files to accommodate the new PDK paths and ensure compatibility.
- Enhanced warning normalization in the analysis script to preserve PDK signatures.

scripts/analyze_warnings.py

@@ -63,6 +63,7 @@ def normalize(root: Path, identifier: str, message: str) -> str:
         value,
     )
     value = value.replace(resolved_root, "$ROOT")
+    value = value.replace("$ROOT/physical/pdk/", "$ROOT/pdk/")
     value = GENERATED_MPW_PATH_RE.sub(_normalize_generated_mpw_path, value)
     value = LOCATION_RE.sub(lambda match: match.group("path") + ":<line>", value)
     value = re.sub(r"\s+", " ", value)

scripts/package.py

@@ -102,7 +102,7 @@ def main() -> int:
         staging.mkdir()
         command = [
             "python3",
-            str(root / "syn/tools/export_soc_sources.py"),
+            str(root / "physical/smoke/syn/tools/export_soc_sources.py"),
             "sv",
             "--output-dir",
             str(staging),