Revert "qcom-cpufreq: Fix hotplug blocking logic"

This reverts commit b9180c88d4f2fd89b7dc13c3447dd16c8f257330.
Revert "qcom-cpufreq: Block hotplug until cpufreq is ready"

This reverts commit 2397bce66ffe572a0a4793c7b11102300b1d6137.