msm: acpuclock-krait: Userspace voltage control
power: Implement fast charge control

* Based on faux123's implementation

Signed-off-by: Zhao Wei Liew <zhaoweiliew@gmail.com>
sync: Implement FSync control

Signed-off-by: Zhao Wei Liew <zhaoweiliew@gmail.com>
msm: board-8960: Adjust CPU voltage limits

* Allow for 100mV undervolting and 50mV overvolting

Signed-off-by: Zhao Wei Liew <zhaoweiliew@gmail.com>