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>
Add a unit test that allows to validate if pin control configuration
stored in Devicetree is parsed correctly.
nRF boards used to run this test should add the pinctrl:nrf tag.
Signed-off-by: Gerard Marull-Paretas <gerard.marull@nordicsemi.no>