- Remove bit-rate properties that are not declared in binding
- Use minimal FDCAN configuration like candlelight board
- Keep only pinctrl and status properties
- Remove CONFIG_BOARD_EWS from defconfig (auto-generated in new Zephyr)
- Replace deprecated 'bus-speed' with 'bit-rate' properties for FDCAN
- Replace deprecated 'bus-speed-data' with 'bit-rate-data' properties
- Change from fdcan1 to fdcan2 for PB0/PB1 pins on STM32G0B1
- Update pinctrl references to fdcan2_rx_pb0 and fdcan2_tx_pb1
- Update zephyr,canbus reference to fdcan2