Use non-infinite timeouts for bulk tilt / led commands
Reset the audio device before using it to ensure the commands can be sent correctly
Fixes #390

Signed-off-by: Benn Snyder <benn.snyder@gmail.com>
Standardize indentation in fnusb_open_subdevices

Signed-off-by: Benn Snyder <benn.snyder@gmail.com>