Add MGPIR - Management General Peripheral Information Register, which
allows software to query the hardware and firmware general information
of peripheral entities as Gearboxes etc.
Signed-off-by: NVadim Pasternak <vadimp@mellanox.com>
Acked-by: NJiri Pirko <jiri@mellanox.com>
Signed-off-by: NIdo Schimmel <idosch@mellanox.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>