Some assignments of policy-> min/max/cur/cpuinfo.min_freq/cpuinfo.max_freq
aren't required as part of it is done by cpufreq driver or cpufreq core.

Remove them.

At some places we merge multiple lines together too.
Signed-off-by: NViresh Kumar <viresh.kumar@linaro.org>
Acked-by: NSekhar Nori <nsekhar@ti.com>
Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com>