.gitignore: make sure compiled files are ignored by git

Change-Id: Ie01e965217631d53a06a1c3a28a9f14b6f135022
board-pico-keypad: enable debounce_time, to try fix multiple power button inputs.
credits: galaxyfreak

Change-Id: Ia0e49aab579b557410aae3834c3c674666481a6f
Fast Charge Port

Change-Id: I9e902dfc77866a48d5f8536fb547508019ea1c9e