cpufreq: stats: Remove locking

The locking isn't required anymore as stats can get updated only from
one place at a time. Remove it.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Viresh Kumar 2020-10-05 13:26:02 +05:30 • committed by Rafael J. Wysocki
commit 381abb942a