[EGD-5170] Fix native diropen

In the current implementation diropen is unable to listdir
in the native filesystem. This patch fix this issue.

[EGD-5165] Fix emulator crash on lfs and fat

Disk access was not protected by the mutex and race contition
occurs when multiple access was made for lfs and fat.

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

[EGD-5737] Merge master into experimental

Keep experimental up to date with changes from master

[EGD-5153] Fix errors in generate image script

Script for generate partitions for emulator by mistake
overwrites the littlefs image and fatfs image due to the
overlap fat parition and littlefs partition

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

[EGD-5145] Fix remove vfs include from UT

Deprecated vfs is no more accessible. Deleted old includes.

[EGD-5153] Fix disk manager sector_count

Currently when partition handle is passed to the disk manager
it returns total disk sector count instead of partitions sector count

[EGD-5149] Fix temporary path

Currently temporary path is in the fat partition. This patch
changes the temporary directory to the LFS partition.

[EGD-5135] Add new lfs part scheme in emulator

Add new littlefs filesystem user partion in the fat database

[EGD-5075] Add new vfs core to new lib syscalls

Add new vfs core support to the new lib filesystem syscalls,
so currently new platform is switched to the new fs

[EGD-5102] Fix compile on rt1051 platform

It is initial commmit which fix compilation after
vfs. global object removal. It still need implementation
newlib syscalls.

[EGD-5102] Fix warning errors in the BSP

Fix warning errors in the BSP module

[EGD-5737] Merge with master

Keep experimental up to date with changes from master

[EGD-5098] Fix and remove old vfs class

Fix and remove global vfs object remove all old data
included in the vfs.hpp class

[EGD-5097] Fix minor issues with littlefs fuse

Fix minor issues with littlefs implementation

[EGD-5097] Fix open flag translate

Fix open translation flags in the littlefs fuse

[EGD-5088] Change new filesystem implementation

Removed deprecated vfs calls from all applications.

[EGD-5086] Change audio device switching logic

Upon hardware change event, audio profile had been switched multiple
times forcing redundant initializations of all related objects. Logic
has been optimized and prepared for further refactor. Now upon hardware
event objects are initialized exactly once.

[EGD-4973] Fix absent notifications on home screen

SMS and Calls notifications require default init
of respective data base. Displaying notifications
require wider space reservation for some digits
(e.g. `8`)

[EGD-4920] Add API to get current operator name

Asynchronous API to get operator name,
also possibility to easy extend solution for
current operator technology and information about
operator selection mode (automatic/hand).

[EGD-4919] Add API functionality to set operator

Functionality for set operator (with name) and
set autoselect were added.