Tune quantum parameter for selected kernel tests
targetting the HiFive Unleashed platform.
Those tests require higher fidelity of the virtual
time flow which is achievable on multi-core platforms
in Renode by reducing the quantum.
Signed-off-by: Jan Malek <jmalek@internships.antmicro.com>
Signed-off-by: Mateusz Holenko <mholenko@antmicro.com>
