Remove the boilerplate which is not necessary beacuse
it is already provided by the common scripts
Signed-off-by: Alberto Escolar Piedras <alberto.escolar.piedras@nordicsemi.no>
Add new workflow steps to the babblesim workflow to run
also the UART tests on the nrf52_bsim.
This commit:
* Enables the single device tests (which we may
move to the normal twister workflow once we fix the
requirement for a fixture)
* Adds as a placeholder the infra for multidevice tests.
Signed-off-by: Alberto Escolar Piedras <alberto.escolar.piedras@nordicsemi.no>