Move the polling state initialization code to a separate file built
conditionally on CONFIG_ARCH_HAS_CPU_RELAX to get rid of the #ifdef
in driver.c.
Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com>
Tested-by: NSudeep Holla <sudeep.holla@arm.com>
Acked-by: NDaniel Lezcano <daniel.lezcano@linaro.org>