cpufreq: ondemand: no need to check fir cpu number.

Signed-off-by: Francisco Franco <franciscofranco.1990@gmail.com>
cpufreq: exynos: bail out of new freq == current.

Signed-off-by: Francisco Franco <franciscofranco.1990@gmail.com>
cpufreq: exynos5250: clean frequency table.

Signed-off-by: Francisco Franco <franciscofranco.1990@gmail.com>