Update init.local.rc

- set permissions on governors sysfs nodes

1. interactive
2. ondemand
3. assume smp uses shared cpufreq policy for all CPUs

also, set permission for boostpulse
it will fix some permission issues like:

E/S5PC110 PowerHAL(  482): Error writing to boostpulse: No such device
E/S5PC110 PowerHAL(  482): Error opening interactive boostpulse
interface: Permission denied
E/S5PC110 PowerHAL(  495): Error opening
/sys/devices/system/cpu/cpufreq/interactive/timer_rate: Permission
denied

- set permissions on schedulers sysfs nodes
- allow system to modify ksm control files
- set permissions on notify_on_migrate node

Used by PowerHAL