travis now needs speed settings

Author: ladyada

.travis.yml

@@ -33,9 +33,9 @@ script:
   - build_platform adafruit:samd:adafruit_gemma_m0
   - build_platform adafruit:samd:adafruit_trinket_m0
   - build_platform adafruit:samd:adafruit_itsybitsy_m0
-  - build_platform adafruit:samd:adafruit_metro_m4
-  - build_platform adafruit:samd:adafruit_itsybitsy_m4
-  - build_platform adafruit:samd:adafruit_feather_m4
+  - build_platform adafruit:samd:adafruit_metro_m4:speed=120
+  - build_platform adafruit:samd:adafruit_itsybitsy_m4:speed=120
+  - build_platform adafruit:samd:adafruit_feather_m4:speed=120
   - build_platform adafruit:samd:adafruit_hallowing