[EGD-4808] Add band gap switching

To reduce the power consumption, we switch the band gap
to the low power mode.

[EGD-4809] Add LDO switching

To reduce the power consumption, we switch LDO
to the low power mode.

[EGD-7265] Fixed displaying of the song's duration

Fixes song's duration displaying.

[BH-510] Knob driver

Add knob driver for the rotary encoder.

Signed-off-by: Lucjan Bryndza <lucjan.bryndza@mudita.com>

[EGD-7502] TimeService Alarms get returns total elements count

We require so that overall alarms count would be returned to properly
use ListView

[EGD-7527] Removed AlarmsEvent from the codebase

We have to use AlarmEventRecord not AlarmsEvent

[BH-850] PowerNap: SessionEnd implementation

The implementation of the SessionEnd covers:
* SessionEnd window
* SessionEnd Presenter

Additionaly in order to match application's flow requirement
the PowerNapProgress was equipped with:
* OnInput behaviour that allows to transition to the
SessionEnd window
* AlarmTimer timer that automatically transitions to
the SessionEnd window

[EGD-7505] Developer mode endpoint extended

Developer mode endpoint extender to support
file renaming, removal and listing dirs.
Harness requirements updated.

[EGD-7224] Add option to enable/disable USB MTP

Added CMake option to enable/disable USB MTP

[BH-743] Fix query get recurring events between range

Fix query for get recurring events between range request

[BH-658] Alarm model update

Updated alarm model.
Added state controller logger

[CP-47] Extend service desktop API with time based phonelock

Time based phonelock can be now utilised via service desktop.

[EGD-4875] Add internal load resistor switching

To reduce the power consumption, we disconnect
internal load resistor

[BH-828] PowerNap progress implementation

The follwoing commit provides an implementation of PowerNap
progress. The impelemntation covers:
* PowerNap's progress presenter
* PowerNap's progress widnow
* Extension of ProgressTimer's UI configuration that allows
to choose between Continuous and Descrete set of points on
Progress view.

[BH-846] Separated ScreenLightControl

Moved ScreenLightControl.cpp to products

[BH-653] Moved driver to product subdir

Moved to Bell subfolder to be built only for BH

[BH-653] Added missing defines for pure

Added missing defines

[BH-653] Style fix

Style fix

[BH-653] Fixed style

Fixed style

[BH-653] PR changes

PR changes