RDMA/mana_ib: Add CQ interrupt support for RAW QP

At probing time, the MANA core code allocates EQs for supporting interrupts
on Ethernet queues. The same interrupt mechanisum is used by RAW QP.

Use the same EQs for delivering interrupts on the CQ for the RAW QP.

Signed-off-by: Long Li <longli@microsoft.com>
Link: https://lore.kernel.org/r/1702692255-23640-4-git-send-email-longli@linuxonhyperv.com


Signed-off-by: Leon Romanovsky <leon@kernel.org>