Add Geeetech Rostock 301 config, update GTM32 Pro VB pins#12345

Merged

thinkyhead merged 4 commits intoMarlinFirmware:bugfix-2.0.xfrom

Phr3d13:gtm32-testing

Nov 6, 2018

Commits on Nov 5, 2018

Add example config and edit supporting pins file.
Phr3d13
committed

Commits on Nov 6, 2018