NCSDK-32185: Add suit A/B sample documentation

[tomchy]

This PR is a continuation of the #21158, adding the missing documentation pages to unblock further sample and test development.

[NordicBuilder]

CI Information

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Build number: 9

Inputs:

Sources:

sdk-nrf: PR head: 751ff678e6a80e18cb6d191867e1b4aa3a5d6e31

more details

sdk-nrf:

PR head: 751ff678e6a80e18cb6d191867e1b4aa3a5d6e31
merge base: 52fa7533833478ecbf796c44bc5dc92e79fcbf9b
target head (main): c7651e066f200e9a4152a64307b653f1ce152339
Diff

Github labels

Enabled	Name	Description
	ci-disabled	Disable the ci execution
	ci-all-test	Run all of ci, no test spec filtering will be done
	ci-force-downstream	Force execution of downstream even if twister fails
	ci-run-twister	Force run twister
	ci-run-zephyr-twister	Force run zephyr twister

List of changed files detected by CI (19)

doc
│  ├── nrf
│  │  ├── releases_and_maturity
│  │  │  ├── releases
│  │  │  │  │ release-notes-changelog.rst
│  │  ├── samples
│  │  │  │ suit.rst
samples
│  ├── suit
│  │  ├── ab
│  │  │  ├── README.rst
│  │  │  ├── img
│  │  │  │  ├── IPUC_AB.drawio
│  │  │  │  ├── IPUC_AB.png
│  │  │  │  ├── Nordic_IPUC.drawio
│  │  │  │  ├── Nordic_IPUC.png
│  │  │  │  ├── ab_root_candidate_verification.png
│  │  │  │  ├── ab_root_candidate_verification.txt
│  │  │  │  ├── ab_root_install.png
│  │  │  │  ├── ab_root_install.txt
│  │  │  │  ├── ab_root_invoke.png
│  │  │  │  ├── ab_root_invoke.txt
│  │  │  │  ├── ab_root_payload_fetch.png
│  │  │  │  ├── ab_root_payload_fetch.txt
│  │  │  │  ├── ab_root_validate.png
│  │  │  │  ├── ab_root_validate.txt
│  │  │  │  ├── partitions.drawio
│  │  │  │  │ partitions.png

Outputs:

Toolchain

Version: 4ffa2202d5
Build docker image: docker-dtr.nordicsemi.no/sw-production/ncs-build:4ffa2202d5_8bf7ca4353

Test Spec & Results: ✅ Success; ❌ Failure; 🟠 Queued; 🟡 Progress; ◻️ Skipped; ⚠️ Quarantine

• ◻️ Toolchain - Skipped: existing toolchain is used
• ✅ Build twister
  • sdk-nrf test count: 111
• 🟠 Integration tests
  • 🟠 test-sdk-dfu

Disabled integration tests

• • desktop52_verification
  • doc-internal
  • test_ble_nrf_config
  • test-fw-nrfconnect-apps
  • test-fw-nrfconnect-ble_mesh
  • test-fw-nrfconnect-ble_samples
  • test-fw-nrfconnect-boot
  • test-fw-nrfconnect-chip
  • test-fw-nrfconnect-fem
  • test-fw-nrfconnect-nfc
  • test-fw-nrfconnect-nrf-iot_cloud
  • test-fw-nrfconnect-nrf-iot_libmodem-nrf
  • test-fw-nrfconnect-nrf-iot_lwm2m
  • test-fw-nrfconnect-nrf-iot_mosh
  • test-fw-nrfconnect-nrf-iot_positioning
  • test-fw-nrfconnect-nrf-iot_samples
  • test-fw-nrfconnect-nrf-iot_serial_lte_modem
  • test-fw-nrfconnect-nrf-iot_zephyr_lwm2m
  • test-fw-nrfconnect-nrf_crypto
  • test-fw-nrfconnect-proprietary_esb
  • test-fw-nrfconnect-ps
  • test-fw-nrfconnect-rpc
  • test-fw-nrfconnect-rs
  • test-fw-nrfconnect-tfm
  • test-fw-nrfconnect-thread
  • test-low-level
  • test-sdk-audio
  • test-sdk-find-my
  • test-sdk-mcuboot
  • test-sdk-pmic-samples
  • test-sdk-wifi
  • test-secdom-samples-public

Note: This message is automatically posted and updated by the CI

[NordicBuilder]

Memory footprint analysis revealed the following potential issues

applications.nrf_desktop.zdebug.uart[nrf54h20dk@0.9.0/nrf54h20/cpuapp]: RAM size increased by 2048[B] in comparison to the main[94d3942] branch. - link (cc: @MarekPieta)
applications.nrf_desktop.zrelease[nrf54h20dk@0.9.0/nrf54h20/cpuapp]: RAM size increased by 2048[B] in comparison to the main[94d3942] branch. - link (cc: @MarekPieta)

Note: This message is automatically posted and updated by the CI (latest/sdk-nrf/PR-21213/9)

[github-actions]

You can find the documentation preview for this PR here.

Preview links for modified nRF Connect SDK documents:

https://ncsdoc.z6.web.core.windows.net/PR-21213/nrf/releases_and_maturity/releases/release-notes-changelog.html
https://ncsdoc.z6.web.core.windows.net/PR-21213/nrf/samples/suit.html
doc/nrf/samples/suit.rst
https://ncsdoc.z6.web.core.windows.net/PR-21213/nrf/samples/suit/ab/README.html