* Fixed Makefile for Marlin 2.0 (#10255)
- Makefile now supports the new Marlin 2.0 directory hierarchy.
- RELOC_WORKAROUND is now automatically enabled based on avr-gcc version.
* Makefile support for U8glib and TMC2130Stepper
- Updated paths for oliver's U8glib 1.19.1
- Added option for teemuatlut's TMC2130Stepper 2.2.1