[BH-724] Split board code for pure and bell

Split board specific code especially GPIO for the
Pure and bell

[BH-724] Split Pure and Bell PINMUX

Split Pure and Bell PINMUX

[BH-274] Split clocks for the pure and bell

Split clocks configuration for the pure and bell

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

[BH-724] Split IRQ GPIO for bell and pure

Split IRQ GPIO handling for bell and pure

[BH-724] Add to cmake board specific files

Add to cmake board specific files

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

[BH-794] Add temperature display

Added displaying temperature and its unit type to 
the home screen.
Integrated GUI with data models.
Moved Bell specific apps to products dir.

[EGD-7401] POC for HSP restored from EGD-6727

This code is updated code from EGD-6727, the only changes are:
- use of common SCO and PhoneInterface
- update to newer bluetooth library

[BH-821] Add battery abstraction layer

Added Abstraction layer for batter charger
to provide support for bell/pure/linux

[EGD-7388] Fix unresponsive keyboard

Fix teh keyboard driver to process all
incoming key events

(cherry picked from commit ed3dab784cc57fb1c47580da5843a73da921ee78)

[BH-799] Revert "Split DeveloperModeHelper - part I"

Rename DeveloperModeHelperCommon to DeveloperModeHelper

[EGD-7424] Added requirements to tools

Requirements are needed to know what python libraries our tools use

[BH-642] Handle alarm messages in service-time

Handle basic alarm messages in service-time

[BH-791] Add temperature reading to EvtMgr

Added temperature  handling to the event manager.
Added static API.

[BH-743] AlarmEvent UT

Unit tests for AlarmEvent implementation

[CP-388] Check for duplicates before adding contact

Prevent adding duplicate contact using service desktop API.

[BH-795] Add temperature mock

Added temperature interface implementation
for Linux. Added dummy implementation for
RT1051 target.

[BH-740] Split SystemManager - part III

Move Pure-specific functionality to Pure SystemManager - part I

[EGD-7414] Daily release push from CI and minor fixes

- Daily release push from CI
- Fixed issue with existing tag on repo
- Fixed potential errors on submodules fetch

[BH-792] Temp format list item

Added temperature unit/scale ListItem to
the Time&Units application and integrated it
with temperature unit model.

[BH-800] Add bell databases

Add databases to bell specific ServiceDB.

[EGD-7222] Disable antenna test application

Antenna test application is now disabled.

(cherry picked from commit 8ddc581b84ba1380c5a5f11b669f2e46a9171ec7)

[CP-475] Make CenterPure devs owners of service-desktop

Let CenterPure devs police service desktop to catch breaking changes
regaring CP app communications.

[BH-790] Add temperature unit model

Added temperature unit model to Time&Units app

[BH-789] Add thermometer interface

Added abstract temperature source interface