rpi-cxd56xx-gnss

Extracted and modified from Pi Zero Bikecomputer:
https://github.com/hishizuka/pizero_bikecomputer

This project is licensed under the Apache License, Version 2.0.
Portions of src/cxd56xx_gnss/cxd5610_rpi.c and cxd5610_rpi.h are adapted
from Apache NuttX.

The following applicable attribution is reproduced from Apache NuttX NOTICE:

Apache NuttX
Copyright 2020 The Apache Software Foundation

This product includes software developed at
The Apache Software Foundation (http://www.apache.org/).

Modifications include the Linux userspace I2C/libgpiod port, a pthread-based
receiver and snapshot API, Cython bindings, and standalone packaging.
See THIRD_PARTY.md for source provenance and the limits of that record.

The Apache License 2.0 text is included in LICENSE.

The firmware update command sequence in examples/i2c_firmware_update.py is
adapted from Sony SIoT-Majipro's CXD5610 updater:
Copyright 2024 Sony Group Corporation
SPDX-License-Identifier: Apache-2.0
See THIRD_PARTY.md for the reference revision and local changes.
