Dashboard now shows the active frequency of each CPU core when cpufreq
is available on non-virtualized systems, enhancing real-time accuracy.
Solves the issue of displaying 0MHz on certain SBCs due to
/proc/cpuinfo limitations.
Signed-off-by: Nico Berlee <nico.berlee@on2it.net>
Signed-off-by: Andrey Smirnov <andrey.smirnov@siderolabs.com>
