drivers/cpufreq: remove depends on CONFIG_EXPERIMENTAL

The CONFIG_EXPERIMENTAL config item has not carried much meaning for a
while now and is almost always enabled by default. As agreed during the
Linux kernel summit, remove it from any "depends on" lines in Kconfigs.

Signed-off-by: Kees Cook <keescook@chromium.org>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --cc drivers/cpufreq/Kconfig.arm
Simple merge

diff --cc drivers/cpufreq/Kconfig.x86
Simple merge