IB/mlx5: Add support for DC Initiator QP

DC Initiator (DCI) QP is represented like any other QP in the hardware.
However, like any other transport QP there are attributes and settings
that are special to DCI QP and needs specific attention and care.
Make necessary changes to configure DCI QP.

issue: 1228326
Change-Id: Ic0a991f6968b19150cf3b21ee889f49943a1f44a
Signed-off-by: Moni Shoua <monis@mellanox.com>
1 file changed