cpu: OC to 3072
Thanks to albinoman for finding the limit parameter to go above 2.9Ghz
cpufreq_limit: stop overriding user's max freq

Change-Id: I932fb4f80f1a65eb06b329d68d56a31a35d8185e
Bump up max voltage since we are OCing higher
vibe: Remove the moronic amount of dmesg spam from vibration motor
synaptic: Remove dmesg spam
cpu: Try some bandwidth tweaks on the upper steps