Initial commit of Coral Cloud Python Source

* coral-cloudiot: Support for uploading to Cloud IoT Core using MQTT and
the on-board secure element.
* coral-enviro: API and example application for the sensors, display,
and grove connectors on board the Enviro board.

Change-Id: I3da611619d3fa034ed16e9e6a7834aadfdf85e3d
13 files changed
tree: 8ac9449a67e11f69eb23ddbcc9e11c90f0facdcf
  1. coral-enviro-devicetree/
  2. coral-enviro-drivers/
  3. python/