Revert "arch: Introduce smp" methods duplicate

Revert "arch: Introduce smp_load_acquire(), smp_store_release()"

This reverts commit c47cf50534c1cd664d754d3175b5fcac464bd9c6.

Revert "cpufreq: interactive: don't skip waking up speedchange_task if target_freq > policy->cur"

This reverts commit af837b28639ca3e486c145f26722be3d5def0279.