edp: Allow all cores to go up tp 1.5GHz
https://github.com/P880-dev/android_kernel_lge_x3/commit/42599026f1894865a537609d82c96be00b4c5a92
cpufreq: break earlier if the target_freq is equal to the current freq.
Signed-off-by: Francisco Franco <franciscofranco.1990@gmail.com>