mlx5core: Set driver version into firmware.

If the driver_version capability bit is enabled, send the driver
version to firmware after the init HCA command, for display purposes.

Example of driver version: "FreeBSD,mlx5_core,14.0.0,3.x-xxx"

Linux commits:
012e50e109fd27ff989492ad74c50ca7ab21e6a1

MFC after: 1 week
Sponsored by: NVIDIA Networking