cpufreq: Move endif to the end of Kconfig file

It is possible to enable few cpufreq drivers, without the framework
being enabled. This happened due to a bug while moving the entries
earlier. Fix it.

Fixes: 7ee13787 ("cpufreq: Move CPPC configs to common Kconfig and add RISC-V")
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Pierre Gondois <pierre.gondois@arm.com>
Reviewed-by: Sunil V L <sunilvl@ventanamicro.com>
Reviewed-by: Sudeep Holla <sudeep.holla@arm.com>
Link: https://patch.msgid.link/84ac7a8fa72a8fe20487bb0a350a758bce060965.1736488384.git.viresh.kumar@linaro.org


Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>