Updates the Zephyr port build instructions and CI to use the latest Zephyr
release tag.
Tested on frdm_k64f.
Signed-off-by: Maureen Helm <maureen.helm@intel.com>
Includes an introduction to using the Zephyr port on MicroPython. The
quickref details examples of how to use each module the port currently
supports. The tutorial provides additional details for Zephyr specific
modules.
Signed-off-by: Julia Hathaway <julia.hathaway@nxp.com>
Maureen Helm