cpufreq: Add intellimm governor

Credits to Faux123 + anarkia1976
cpufreq: intellimm - fix issue with updating tunable multi_phase_freq_tbl
boeffla_defconfig: Enable intellimm governor
Boeffla ramfs: Add intellimm standard tunable profile
su: update su to version 2.40
Boeffla ramfs: Correct light/medium/heavy CPU profiles due to "reverted" voltage table
cpufreq: add additional hardening to ensure min/max freqs and governor stick
cpufreq: smartmax - adjust default configuration to OnePlus One
Boeffla ramfs: Adjust smartmax default configuration to OnePlus One
cpu-boost: touch boost will not exceed configured max cpu freq anymore
Release tag: 2.0-beta14