systrace used for tracing for Android systems has carried a patch for
many years in the Android tree that traces when the cpufreq limits
change.  With the help of this information, systrace can know when the
policy limits change and can visually display the data. Lets add
upstream support for the same.
Signed-off-by: NRuchi Kandoi <kandoiruchi@google.com>
Signed-off-by: NJoel Fernandes (Google) <joel@joelfernandes.org>
Acked-by: NViresh Kumar <viresh.kumar@linaro.org>
Acked-by: NSteven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com>