- Provide a Dockerfile.old to fix issue of ESP32 custom linker scripts not working
properly with the newer version of Zephyr, as reported in #2263
- Provide a Dockerfile with newer Zephyr for other boards
- Update the corresponding document
Removes the `west espressif install` command which is no longer
supported.
https://github.com/zephyrproject-rtos/hal_espressif/pull/130
Also adds a reference to the Zephyr SDK, which will install the
necessary toolchains for all supported targets.
Signed-off-by: Daniel Mangum <georgedanielmangum@gmail.com>
