Dagoma Disco Ultima pins, thermistor, config (#14223)

Marlin/Configuration.h

Marlin/src/core/boards.h

Marlin/src/lcd/thermistornames.h

Marlin/src/module/thermistor/thermistor_18.h

Marlin/src/module/thermistor/thermistors.h

Marlin/src/pins/pins.h

Marlin/src/pins/pins_AZTEEG_X3.h

Marlin/src/pins/pins_AZTEEG_X3_PRO.h

Marlin/src/pins/pins_BQ_ZUM_MEGA_3D.h

Marlin/src/pins/pins_GT2560_V3.h

Marlin/src/pins/pins_GT2560_V3_MC2.h

Marlin/src/pins/pins_MELZI_CREALITY.h

Marlin/src/pins/pins_RAMPS.h

Marlin/src/pins/pins_RAMPS_DAGOMA.h

Marlin/src/pins/pins_TRONXY_V3_1_0.h

config/default/Configuration.h

config/examples/3DFabXYZ/Migbot/Configuration.h

config/examples/AlephObjects/TAZ4/Configuration.h

config/examples/AliExpress/CL-260/Configuration.h

config/examples/AliExpress/UM2pExt/Configuration.h