Revert "cpufreq_ondemand.c: avoid unnecessary switches"

This reverts commit c3113239f4800e393e21d0b7f35fe9fecc80625b.
msm: cpufreq: Break out early if target frequency is the same as the current

Signed-off-by: Stratos Karafotis <stratosk@semaphore.gr>
cpufreq_ondemand.c: remove dbs_freq_increase(...)

- without powersave_bias there is really no need for this function

Signed-off-by: SkipXS <sskkiipp@gmail.com>