Revert "cpufreq: cpu-boost: Readd missing bits"

This reverts commit 6ff8c78aa70616a54b46100d2e598bb5e0db1755.
Revert "cpufreq: cpu-boost: Re-issue boosts above minimum frequency"

This reverts commit 4db4eadb0191a8ed268f2760c784e1f0a14b3a6b.
Revert "cpufreq: interactive: Remove unnecessary cpu_online() check"

This reverts commit 8ab873f164e11b35dc01bd949f164c70b93244d5.