It adds a generic cpufreq driver for CPU0 frequency management based on
clk, regulator, OPP and device tree support.  It can support both
uniprocessor (UP) and those symmetric multiprocessor (SMP) systems which
share clock and voltage across all CPUs.
Signed-off-by: NShawn Guo <shawn.guo@linaro.org>
Acked-by: NSantosh Shilimkar <santosh.shilimkar@ti.com>
Tested-by: NAnilKumar Ch <anilkumar@ti.com>
Signed-off-by: NRafael J. Wysocki <rjw@sisk.pl>