This feature is now disabled (was disabled on ARM before) as we do not
need it:
"Select this option to enable fine granularity task irq time accounting.
This is done by reading a timestamp on each transitions between softirq
and hardirq state, so there can be a small performance impact."
Signed-off-by: Michael Tremer <michael.tremer@ipfire.org> Acked-by: Peter Müller <peter.mueller@ipfire.org> Signed-off-by: Arne Fitzenreiter <arne_f@ipfire.org>