Revert "Revert "Revert "random: entropy tweaks are all the rage nowadays"""

This reverts commit 827163a0275bd6df8d49c080348d43dd2607dd08.
Revert "Makefile: Add extraversion"

This reverts commit f3e04b0a747d97d01d4f3eb767fe2fccf474c897.
SCHED: Disable GENTLE_FAIR_SLEEPERS
CPU:Fixed lowest freq sticking at 300Mhz

Conflicts:
	arch/arm/mach-omap2/omap2plus-cpufreq.c
CPU: set lowest freq to 150Mhz for real. Thanks dtrail
CPU: Take out temp fix for low freq from dtrail and stop setting min freq to 300Mhz at boot
Forgot to set 150Mhz to new OPP
mm: Cache/writeback tweaks
Revert "mm: Cache/writeback tweaks"

This reverts commit 10c6faca9738da4728e3fc78f4097202c9bc8faa.

Some possible instability