Update of nRF Connect SDK version to the 2.7.0 (#34403)

* [workflows] Updated docker version used in workflows

Updated docker version used in all workflows due to the new
docker version pushed to the dockerhub.
Additionally, changed the recommended version of nRF Connect SDK
to the 2.7.0

* [nrfconnect] Disable Zephyr socket extensions

The recvmsg() is now implemented natively in Zephyr,
so we are not supposed to define a custom one.

Signed-off-by: Marcin Kajor <marcin.kajor@nordicsemi.no>

[nrfconnect] Fixed calculation of Wi-Fi unicast counters

Wi-Fi unicast tx/rx counters were calculated based on a wrong
values, what could lead to getting negative results.

Recent changes allow to use dedicated unicast structure field
instead of obtaining the values based on calculation.

Signed-off-by: Kamil Kasperczyk <kamil.kasperczyk@nordicsemi.no>

[nrfconnect] config: Add initial sysbuild files

Adds initial sysbuild files

Signed-off-by: Jamie McCrae <jamie.mccrae@nordicsemi.no>

[nrfconnect] Add support for Matter OTA in sysbuild

Converted matter-ota.cmake script to sysbuild.

[nrfconnect] Added Kconfig to enable BDX transfer for logs

Introduced Kconfig to enable BDX transfer for diagnostic
logs purposes.

[nrfconnect] Removed setting BT_HCI_RAW_RESERVE config to 1

Aligning configuration to the one introduced in the Zephyr
upmerge.

Signed-off-by: Kamil Kasperczyk <kamil.kasperczyk@nordicsemi.no>

[nrfconnect] Removed setting mbedtls external rng config

Removed settings default value for the
MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG Kconfig, as it's handled by the
mbedtls module.

[nrfconnect] Disabled boot banner in mcuboot config

With the recent Zephyr upmerge a new boot banner configs were
enabled by default, what results in flash increase and memory
partition overflow. This commit disables newly introduced
configs.

[nrfconnect] Enable SPI configuration for nRF54L.

The external flash on nRF54L DK is driven by SPI,
so we need to enable appropriate drivers.
Also enabled MCUMGR_GRP_IMG_ALLOW_ERASE_PENDING
config that allows to overwrite the secondary slot
image even if the pending flag is set on that image.

Signed-off-by: Marcin Kajor <marcin.kajor@nordicsemi.no>

[nrfconnect] Enable MBEDTLS_AES_ONLY_128_BIT_KEY_LENGTH config

This commit enables MBEDTLS_AES_ONLY_128_BIT_KEY_LENGTH for Matter over
Wi-Fi to optimize flash usage.

Signed-off-by: Łukasz Duda <lukasz.duda@nordicsemi.no>

[nrfconnect] Fixed paths to used in the guides

Guides contain path examples referring to the older build system
version and they have to be updated.

Signed-off-by: Kamil Kasperczyk <kamil.kasperczyk@nordicsemi.no>

[nrfconnect] Align factory data guide to sysbuild

- Aligned all kconfigs to the new provided by sysbuild.

[nrfconnect] Disable `CONFIG_FPU` by default to align with OT libraries

Remove setting `CONFIG_FPU` to `y` by default as OpenThread
libraries are now build without FPU support.

Signed-off-by: Maciej Baczmanski <maciej.baczmanski@nordicsemi.no>

[nrfconnect] Fix missing network band in scan response.

There is a missing network band parameter in the scan response,
and due to that the `networkcommissioning scan-networks` command
shows 0 as the band field for all found networks.

* [nrfconnect] Removed defaults for child images

Due to the sysbuild integration and child images deprecation
the default configuration for child images has been removed.

* [nrfconnect] Changed pm static configuration scheme

* [nrfconnect] Added missing include net_if.h file

Adding missing include of a net_if.h file and define for the
undefined config that makes nrfconnect platform not working
for the Wi-Fi.

* [examples] Aligned nrfconnect examples to the NCS 2.7.0 version

The new nRF Connect SDK 2.7.0 version introduced significant
changes in the build system that resulted in a requirement
to refactor all examples suported by nrfconnect platform.

* [nrfconnect] Fixed scripts building nrfconnect platform

Added --sysbuild flag for build scripts that is required by the
west build command used with nrfconnect platform.

* [workflows] Partially reverted Updated docker version

This partially reverts commit
8228fc5 to not update all
platforms at once and troubleshoot CI problems one by one.

* [nrfconnect] Added typing_extenstions to nrfconnect requirements

The factory data script started to fail with Python 3.12.
Adding typing_extensions to requirements fixes the issue.

* Addressed review comments

* [workflows] Fixed nrfconnect workflows

* Fixed paths to build artifacts in nrfconnect workflow
* Fixed passing device type name to the chef app

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Co-authored-by: Marcin Kajor <marcin.kajor@nordicsemi.no>