Add the compatible string for supporting the generic device tree cpufreq-dt
driver on Hisilicon's 3660 SoC.
Signed-off-by: NTao Wang <kevin.wangtao@hisilicon.com>
Acked-by: NViresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com>