Revert "cpufreq: Fix freq limit init for cores resuming from hotplug"

This reverts commit 3a699712c715fdb51b5a238a42d2100927177b29.
cpufreq: minor cleanup
cpufreq: Retain each individual cpu policy

In the scenario that a non-primary core is resuming from a hotplug, the min/max policy gets reset to the kernel default. This patch retains those policies.
hercules: CPU_FREQ_RETAIN_MIN_MAX