IB/hfi1: use true,false for bool variable

Fixes coccicheck warning:

drivers/infiniband/hw/hfi1/rc.c:2602:1-8: WARNING: Assignment of 0/1 to bool variable

Link: https://lore.kernel.org/r/1577176812-2238-3-git-send-email-zhengbin13@huawei.com


Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: zhengbin <zhengbin13@huawei.com>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>