some fixes after modifications:
1. removed the use of waiting_command_t
2. fix assert for HCI write_eir command
3. fixed the crash upon handling command status event when trying to free to the HCI command buffer
4. fixed the issue in transmitting HCI vendor specific commands
5. fixed the lost command complete callbacks for HCI commands LE_RAND and LE_ENCRYPT
For the CID10564,10384,10280,10098,10038,The memory was released in other place.
For the CID10365,it release the memory in the function when sent successfully.
For the CID10268,10011, we need not change the code.
Prevent a remote device from doing a Bluetooth Impersonation Attack
(BIAS) by:
- Preventing remote device to downgrade secure connection
feature mask. Secure connection feature mask should remain same or
increase to enabled in link key generation and authentication.
- Doing a mutual authentication during Legacy Authentication.
Signed-off-by: Chinmay Chhajed <chinmay.chhajed@espressif.com>
