cpufreq: Don't pass CPU to cpufreq_add_dev_{symlink|interface}()

Pointer to struct cpufreq_policy is already passed to these routines
and we don't need to send policy->cpu to them as well.  So, get rid
of this extra argument and use policy->cpu everywhere.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Git-commit: 308b60e71541518f3fe97171b4daf71adc607f3d
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git


Signed-off-by: Junjie Wu <junjiew@codeaurora.org>