Feat: allow updating of OB FW from Programmer app

[kylebonnici]

This PR add the ability in programme to update the J-Link OB Firmware.

This can be done in two ways:

• Auto with every read, write and erase (will effect performance) default is for this option is off @bihanssen any suggestions?
• Manually with a button

Auto UI (image updated)

Manual UI

Result in Logger

@greg-fer if this is approve then Docs will need updating @ketile let me know if UI is OK

[github-actions[bot]]

Add labels:

• 'doc required' or 'doc not required'

  • 'ui required' or 'ui not required'

  For UI review:

  • describe the changes
  • add pictures
  • add the relevant UI responsible(s) as a reviewer

[greg-fer]

Doc: https://nordicsemi.atlassian.net/browse/NCD-876