Revert "pehci: turn on all debugging"

This reverts commit 4a1d6dbd36a9038aa168a5178f1efd7716a9b2f1.

Change-Id: I10bfe7df8040aca7ecd6e26053656d3500eb498d
Revert "tenderloin-usb: add debug info"

This reverts commit 96b3866372f1454ffa839d6b8ba1a2c74c79a665.
driver: add in SERIAL_SIERRAWIRELESS_SWI driver

Change-Id: I1b710659c5cecd979f76d81daa5192ca7780ec63