[2.0.x] Improve sync of planner / stepper position, asynchronous G92

Added base example configs for Geeetech's Pro C and Pro W machines.

[2.0.x] Add thermocouple with AD8495 support

[2.0.x] Sub-menu for ABL with LCD_BED_LEVELING

Co-Authored-By: perkmeister <perkmeister@users.noreply.github.com>

As mentioned in https://github.com/MarlinFirmware/Marlin/issues/9429#issuecomment-385305597



Co-Authored-By: Jack Bradach <jack@bradach.net>

Co-Authored-By: Bob-the-Kuhn <bob-the-kuhn@users.noreply.github.com>

Addressing #10569