Revert "cpufreq: interactive: Remove trace event from idle_start handler"

This reverts commit f59d80b45aff8db63577299abf1b75e3631b6c3d.
Revert "cpufreq: interactive: sync freq feature for interactive governor"

This reverts commit 046a6f1158656820922f4a2650c5e7ac94422ae1.
Revert "cpufreq: interactive: Add a sampling_down_factor for max frequencies"

This reverts commit 2276baa2addffb5818e6251fa5a28434c40a86c8.
Revert "cpufreq: interactive: Reset floor_validate_time if busy at max for 100ms"

This reverts commit a68423cfc9c2dbee8935cfd58670cb501289a67e.
Revert "cpufreq: interactive: Allow 1 ms error in above_hispeed_delay comparisons"

This reverts commit 08b421ca25f2aad243e6d9e41bc75adc09e7149c.