linux-imx

IB/hfi1: Remove fast registration from the code

The driver does not support it anyway, and the support
should be added to a generic layer shared by both hfi1,
qib and softroce drivers.

Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>