[arch-dev-public] [signoff] netcfg v2.5.4

[James Rayner]

Mostly bugfixes and some minor features that are isolated or trivial

netcfg v2.5.4
- Bridge connection example
- Add simple bridging support
- Add adjustable netmask to IP='static'

netcfg v2.5.3
- Add missing include. FS#18411
- Fix FS#18391, FS#18385, broken rfkill, handle hard rfkill situations
more appropriately
- Modify examples to prevent quoting issues as illustrated by FS#18405
- Handle undefined wireless SECURITY, make example explicit