OceanfromXiaomi

## Summary 1. Completing the code differences of Xiaomi vela's CAN modules in recent years. 2. add tx_confirm function in upperCAN driver1. 3. nuttx/can: add can controller state setting and...

can: Add more critical section to fix the race condition

1

## Summary since routines called by IRQ need to be protected in SMP too. ## Impact ## Testing