[PATCH V2 4/4] sched: cpufreq: Enable remote sched cpufreq callbacks

Now that all clients properly support (or ignore) remote scheduler cpufreq callbacks, remove the restriction that such callbacks only be made on the local CPU. Also remove cpufreq_update_this_cpu() as all its users are migrated to use cpufreq_update_util() instead. Based on initial work from

[PATCH V2 4/4] sched: cpufreq: Enable remote sched cpufreq callbacks

Now that all clients properly support (or ignore) remote scheduler cpufreq callbacks, remove the restriction that such callbacks only be made on the local CPU. Also remove cpufreq_update_this_cpu() as all its users are migrated to use cpufreq_update_util() instead. Based on initial work from