* Remove the Zephyr based nRF54L15 port
* Add nRF54L15 port on the s145 Arduino core: nrf54l15dk and xiao_nrf54l15 variants
* nRF54L: errno-style nrfx results, flush console before assert reset
* nRF54L: log the SoftDevice status on Bluefruit failure, ignore the seed request event
* Support the Wio-LR2021 LoRa Plus expansion board with OLED and K1 on the XIAO nRF54L15 variant
* Consume the nRF54L15 platform, core and bootloader from their repositories
* Pin the nRF54L15 platform to v0.2.0
* nRF52: forward SoftDevice flash events taken by the main loop to the flash driver, log the pairing failure status
* Pin the nRF54L15 platform to v0.2.1
* Pin the nRF54L15 platform to v0.3.0
* Split the XIAO nRF54L15 variant into SX1262 and LoRa Plus environments, seed the SoftDevice on request, add the nrf54l15 CI build script
* Pin the nRF54L15 platform to meshtastic/platform-nordicnrf54 v0.3.1
* NRF54: Fix mtjson generation
---------
Co-authored-by: vidplace7 <vidplace7@gmail.com>