RDMA/mana_ib: Use struct mana_ib_queue for WQs

Use struct mana_ib_queue and its helpers for WQs

Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com>
Link: https://lore.kernel.org/r/1711483688-24358-4-git-send-email-kotaranov@linux.microsoft.com


Reviewed-by: Long Li <longli@microsoft.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>