lang/mecrisp-stellaris: Update to 2.6.1.
- reorder Makefile to make portclippy happy
- refactor conditionals for IGNORE
Relevant upstream changes:
- Added (dp) (latest) addrinflash? addrinram? rrotate to all cores
- Added dictionary-tools and fixed flaw in multitask-debug
- Fixed 2rshift in common/cordic
- Signal handlers and syscall library for FreeBSD
PR: 259448