attempt to lower LCD panel & wifi voltage
config: update and clean up
cpufreq: interactive : sync from CAF-aosp-common/android-3.4
sync point : https://www.codeaurora.org/cgit/quic/la/kernel/msm/commit/drivers/cpufreq/cpufreq_interactive.c?h=aosp-common/android-3.4&id=0edc2b4c9c30a695d9500d3204acdf5f3ddfa027