ws2401: use APP_25_OPP state only with screen off

Signed-off-by: Shilin Victor <chrono.monochrome@gmail.com>
LiveOPP: v2.1

- Fix warnings
- Initiate arm table index for boot frequency
- Remove some verbose debug
- Enable extend frequencies by default

Thanks @mkaluza for improvements

Signed-off-by: cocafe <cocafehj@gmail.com>

Conflicts:

	drivers/mfd/db8500-prcmu.c
LiveOPP: vary LiveOPP verbosity based on CONFIG_LIVEOPP_DEBUG
minor fix for liveopp_start
LiveOPP: update my email in contributors section
prcmu-qos-power: list arm_khz requirements via sysfs

Use macros in code to make it cleaner
ab8500-usb: remove sysfs entries on module exit