In our internal testing we have found that default maximum values are too
small.  Ideally there should be no limits, but since maximum values are
reported via ibv_query_device, we have to return some value. So, the
default maximums have been changed to large values.

Link: https://lore.kernel.org/r/20210915011220.307585-1-Rao.Shoaib@oracle.comSigned-off-by: Rao Shoaib <Rao.Shoaib@oracle.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>