RDMA/hfi1: Use list_for_each_entry() helper

Convert list_for_each() to list_for_each_entry() so that the pos list_head
pointer and list_entry() call are no longer needed, which can
reduce a few lines of code. No functional changed.

Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Link: https://lore.kernel.org/r/20230822033539.3692453-1-ruanjinjie@huawei.com


Acked-by: Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>