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Description
This PR add a touch calibration screen for all 3 marlin TFT UI.
Todo List:
XPT2046_**
defines for the newTOUCH_**
This PR closes the series for TFT changes I have done. TFT is not perfect yet, but now it will be fully usable and configurable by the users.
Benefits
Without a calibration screen is nearly impossible to get the xpt calibration values. It's a lot of trial and error.
Configurations
Any TFT UI with TOUCH_SCREEN_CALIBRATION