IB/hfi1: Reserve user expected TIDs

IB/hfi1: Reserve user expected TIDs

[ Upstream commit 910a99d7336380a724026701b8d1ffa0cf141b08 ]

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

Fixes: 93330b2c4d6a ("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>