- Introduced SYNTH_RECIPE variable to select between balanced, area, and speed synthesis recipes.
- Updated Makefile to handle new SYNTH_RECIPE variable and its validation.
- Modified synthesis scripts to utilize the selected recipe, ensuring outputs are directed to the appropriate directories.
- Enhanced documentation to reflect changes in synthesis flow and directory structure.
- Added tests to verify correct behavior of new synthesis recipes and their integration into the regression suite.
- Removed obsolete scripts and configurations related to previous synthesis methods.