tegra_mpdecision: mergeing with changes from it's msm upstream brother
Changes include:
- adding input event boost
- fixing min/max cores
- removing redundant code
- increasing delay time to 130ms
- fixing locking
- introducing scroff_single_core
- adding sysfs interface for input event boost
- gaining readability
- renaming not fitting names

Signed-off-by: Dennis Rassmann <showp1984@gmail.com>
tegra_mpdecision: use cmdline frequency instead of fixed value

Signed-off-by: Dennis Rassmann <showp1984@gmail.com>
mach-tegra: allow setting of individual cpu frequencies
The previous implementation did only save the frequency max and only
for all cpus in one variable (=all cpus will always have the same freq).
This commits allows min/max setting of frequencies per cpu independently.

Signed-off-by: Dennis Rassmann <showp1984@gmail.com>