Low CPU Clocks: Allow ultra low CPU frequencies for better battery performance

while screen is on or background operations like audio books and music

Signed-off-by: faux123 <reioux@gmail.com>
Voltage Control: allow for lower minimums

this allows the low CPU frequencies to take advantage of UV control

Signed-off-by: faux123 <reioux@gmail.com>
cpufreq: allow for low CPU clock policy when hotplugging new cores

Signed-off-by: faux123 <reioux@gmail.com>