[SPE] Add 'jitter' filter to SPE filters

[PrzemekWirkus]

Cloned from: https://linaro.atlassian.net/browse/WPERF-896

Linux perf supports jitter filter. We can add jitter to SPE by configuring SPE sysregs and enable / disable on user-request.

DOD:

• Add jitter to SPE filter parse function. See how we’ve added CLI parser with filters here: https://gitlab.com/Linaro/WindowsPerf/windowsperf/-/merge_requests/615
• parse_events_str_for_feat_spe and m_sampling_flags (we should add “jitter” as OK option.
• Add in wperf-driver jitter support.
• Add regression for jitter in SPE CLI filters.