[2.0.x] Autobuild update & add PlatformIO support for AT90USB boards#10779

thinkyhead merged 1 commit intoMarlinFirmware:bugfix-2.0.xMarlinFirmware/Marlin:bugfix-2.0.xfrom

Bob-the-Kuhn:autobuild-update-2.0.xBob-the-Kuhn/Marlin-Bob-2:autobuild-update-2.0.xCopy head branch name to clipboard