cpufreq: schedutil: Add consistent cycle tracking

Currently, cycle tracking is not consistently applied in all cases in the
schedutil governor, which can lead to errors in the calculation of average
capacity. Fix this.

Change-Id: Idbdc6d1516abd20466c78f79c6524b3348b922f9
Signed-off-by: Jonathan Avila <avilaj@codeaurora.org>