msm: hotplug: Remove spinlock in load stats

It's too expensive and not nessecary.
msm: camera_v2: Suppress debug spam
msm: thermal: Relax temperature thresholds

Relax temperature thresholds, the device is constantly throttling.
Also, use core control to avoid physical damage, not temperature
control.
msm: thermal: Disable vdd restriction

This does not make sense. Additionaly, start temperature monitoring
after booting phase.