Fix for battery drain: remove all USB cables

[JesDoias]

My tablet used to never go into deep sleep, or even worse the CPU stayed at its full clock – I had to recharge after every 12 hours. I found that the main wake lock used to be otg_wake_lock aka the USB host. Since I’m using it to develop some software I left the USB type-c cable connected all the time, either to recharge or to to debug. Removing it solved my battery drain issued. Now I can leave it on for days.

Either this is a nasty Android bug or cube butchered its USB type-c to the next level…

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