mm: Revert mm subsystem back to 3.0.31 kernel version to work around camera issues

credits to Googy for the basis work
boeffla_defconfig: Disable MHL support to prevent freezing when using dock
cpufreq: 1700MHz CPU OC
Revert "boeffla_defconfig: Support hot plugging for legacy governors"

This reverts commit 5336536d9a20e2aeeb52af93f52f46eea5c26418.
CM ramfs: Update to version of CM nightly 12.05.2014
Release tag: 2.3-beta3