IB/hfi1: Reserve user expected TIDs

IB/hfi1: Reserve user expected TIDs

[ Upstream commit ecf91551cdd2925ed6d9a9d99074fa5f67b90596 ]

To avoid a race, reserve the number of user expected
TIDs before setup.

Fixes: 032fa89ceb9c ("staging/hfi1: Add TID entry program function body")
Signed-off-by: Dean Luick <dean.luick@cornelisnetworks.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com>
Link: https://lore.kernel.org/r/167328547636.1472310.7419712824785353905.stgit@awfm-02.cornelisnetworks.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>