overall_stats: add overall stats for all available cores
this is much more accurate stats tracking than just displaying core 0s
stats from most other kernels

Signed-off-by: faux123 <reioux@gmail.com>
overall_stats: make dual/quad core stats configurable via meunconfig
Signed-off-by: faux123 <reioux@gmail.com>
overall_stats: forward port to kernel 3.4+
by replacing deprecated functions with native add/sub for 64bit data types

Signed-off-by: faux123 <reioux@gmail.com>
defconfig: enable cpu_stats
arch: add min clock 162MHz with HFPLL values and modified voltages to suit each PVS type
(idea came from zarboz/faux123)
arch: Userspace Voltage Control, ported from MORFIC from MAKO to m7 (n3ocort3x)