Add Travis tests for optional M100 features

.travis.yml

@@ -155,7 +155,7 @@ script:
   #   INCH_MODE_SUPPORT, TEMPERATURE_UNITS_SUPPORT
   #
   - restore_configs
-  - opt_enable EEPROM_SETTINGS EEPROM_CHITCHAT M100_FREE_MEMORY_WATCHER INCH_MODE_SUPPORT TEMPERATURE_UNITS_SUPPORT
+  - opt_enable EEPROM_SETTINGS EEPROM_CHITCHAT M100_FREE_MEMORY_WATCHER M100_FREE_MEMORY_DUMPER M100_FREE_MEMORY_CORRUPTOR INCH_MODE_SUPPORT TEMPERATURE_UNITS_SUPPORT
   - build_marlin
   #
   # Mixing Extruder