[EGD-4758] Add lfs object state sync

Add lfs object state sync.

[EGD-4758] Fix includes in littlefs

Fix includes in the littlefs

[EGD-4758] Add block size and fs size

Add blocks size and blocks count detecting
of the file size.

[EGD-4758] Fix littlefs directory iterator

Directory iterator now seams to be working

[EGD-4758] Add unit tests for littlefs

Some tests passed but it needs some work...

[EGD-4758] Fix littlefs boundary check

    Currently littlefs boudary is checked in the wrong place
    this commit fix this issue

[EGD-4758] Add Littlefs unit test

This is an initial implementation of littlefs
unit tests

[EGD-4758] Add Littlefs config

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

[EGD-4758] Add littlefs core filesystem

Filesystem completed

[EGD-4758] Add littlefs in the core rt1051 build fix

Fix wrong build

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

[EGD-4758] Add Filesystem lfs fixes

This is a fix commit which fix lfs
problem with implementation

[EGD-4758] Add Littlefs file operations

All littlefs file operations seams to be completed

[EGD-4758] Add Littlefs fuse

Littlefs fuse work in progress

[EGD-4758] Add Littlefs in the vfscore

Initial concept commit

[EGD-4732] "All Operators" menu option is shown when "Operator auto-select" is off; the state is kept in db
[EGD-4732] Network menu items visibility / indentation

Fix typo

[EGD-4534] Change audio data path synchronization

Refactor audio data path to fix several synchronization issues and
excessive copy operations on large memory blocks. Introduce
audio::Stream data structure to allow connecting audio source and sink
with a zero-copy capability.

Introduce system mechanisms:
 - critical section guard lock needed for stream synchronization
 - non-cacheable memory allocator to allocate memory for DMA safe
   buffers

Update the Googletest CMake template to match the capabilities of the
Catch2 template.

Signed-off-by: Marcin Smoczyński <smoczynski.marcin@gmail.com>
Signed-off-by: Hubert Chrzaniuk <hubert.chrzaniuk@mudita.com>

[EGD-4856] Add Custom MMI message

Adds custom MMI respponse mesage.
It will be used by MMI response window to translate message.

[EGD-4996] gcc 10 missing header include

[EGD-4925] Change new filesystem handling implementation in module-gui. (#1193)

Due to vfs deprecation there is need to remove all vfs calls from code. This PR covers module gui. There are some modifications in other modules included which are necessary because of build system issues.