Update Configuration.h

Include CPU Sethi 3D
Update pins.h

Include Pins cpu Sethi 3D
Fix for Viki display
Merge pull request #610 from phq1910/patch-2

Update pins.h
Merge pull request #609 from phq1910/patch-1

Update Configuration.h
Bed Auto Leveling feature

Check the Readme for instruction how to enable and configure the feature