Add FAN_MAX_PWM to example configs

...mple_configurations/AlephObjects/TAZ4/Configuration_adv.h

Marlin/example_configurations/Anet/A6/Configuration_adv.h

Marlin/example_configurations/Anet/A8/Configuration_adv.h

...le_configurations/BIBO/TouchX/Cyclops/Configuration_adv.h

...le_configurations/BIBO/TouchX/default/Configuration_adv.h

...n/example_configurations/BQ/Hephestos/Configuration_adv.h

...example_configurations/BQ/Hephestos_2/Configuration_adv.h

Marlin/example_configurations/BQ/WITBOX/Configuration_adv.h

Marlin/example_configurations/Cartesio/Configuration_adv.h

...example_configurations/Creality/CR-10/Configuration_adv.h

...xample_configurations/Creality/CR-10S/Configuration_adv.h

...ple_configurations/Creality/CR-10mini/Configuration_adv.h

.../example_configurations/Creality/CR-8/Configuration_adv.h

...ample_configurations/Creality/Ender-2/Configuration_adv.h

...ample_configurations/Creality/Ender-3/Configuration_adv.h

...ample_configurations/Creality/Ender-4/Configuration_adv.h

Marlin/example_configurations/Felix/Configuration_adv.h

...ple_configurations/FolgerTech/i3-2020/Configuration_adv.h

...onfigurations/Geeetech/Prusa i3 Pro C/Configuration_adv.h

...onfigurations/Geeetech/Prusa i3 Pro W/Configuration_adv.h