Twister now supports using YAML lists for all fields that were written
as space-separated lists. Used twister_to_list.py script. Some artifacts
on string length are due to how ruamel dumps content.
Signed-off-by: Gerard Marull-Paretas <gerard.marull@nordicsemi.no>
Set integration_platforms on these samples to just native_posix. This
should be sufficient to make sure these tests build and run.
Signed-off-by: Kumar Gala <kumar.gala@linaro.org>