UPSTREAM: cpufreq: Initialize the governors in core_initcall

Initialize the cpufreq governors earlier to allow for earlier
performance control during the boot process.

Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/b98eae9b44eb2f034d7f5d12a161f5f831be1eb7.1571656015.git.amit.kucheria@linaro.org


(cherry picked from commit 3f6ec871e1c2b360aaf022e90bb99dcc016b3874)
Signed-off-by: John Stultz <john.stultz@linaro.org>
Bug: 146449535
Change-Id: Ib5599ade3811fb44a15cda6ee3791d997207cad5