Ad common extract-files script

Change-Id: I8ac7e0f5adad1c515502fda6d74fdfc2ad4bf2cc
camera: Enable ZSL

Restarting preview if toggling ZSL fixes the stream errors on
switch, so we can enable this now

Change-Id: I039313b4d5fa8105844ec9e62e9c2316111f3e46
Enable use of two stop bits for Bluetooth

This improves reliability on chips such as BCM4335.

Change-Id: I3920d585aff510a5bc6262236819382d003cb425
Signed-off-by: dr87 <nb00870@gmail.com>
Bluetooth: Adjust Baud Rate

Every other device config running BCM4335 B uses a baud rate of 3000000, so update this.

Change-Id: Iaea540d770da8179e76417d3a9ce5344fc544c28
Signed-off-by: dr87 <nb00870@gmail.com>