Tested with AX211 on an MSI board, using ibt-1040-0041.sfi from linux-firmware.
Firmware loads (after reboot to bootloader), then the controller functions well (ISO fails, but that might be another topic).
Signed-off-by: Dmitrii Sharshakov <d3dx12.xx@gmail.com>
This VSC enable host-initiated role-switching after connection.
Implement this VSC in a driver fashion.
Test: avatar security_test with the Bluetooth Dongle Intel BE200