Release arduino-91.2

Yocto
- [PCIE] Fixed pcie on kernel 6.1
- [NPU] Support for Akida Brainchip pcie module
- [NPU] Support for Hailo 8R pcie module
- [CAN] Increased throughput see x8h7 below
- [RS-485] Fixed ttyX0 not working
- [X8H7] Changed low level protocol to use fixed packet size and hw-assisted CS
- [X8H7] Init now happening earlier, WantedBy=sysinit.target
- [MIPI-DSI] Supporting new panel modules and touchscreen controllers:
jadard-ek79202d and atmel-mxt-ts

Based on LmP v91 https://foundries.io/products/releases/91/

NOTE: this is the Yocto manifest. For docker compose apps, checkout

https://github.com/arduino/portenta-containers/tree/release