RDMA/uverbs: Fix false error in query gid IOCTL

Some drivers (such as EFA) have a GID table, but aren't IB/RoCE devices.
Remove the unnecessary rdma_ib_or_roce() check.

This fixes rdma-core failures for EFA when it uses the new ioctl interface
for querying the GID table.

Fixes: 9f85cbe5 ("RDMA/uverbs: Expose the new GID query API to user space")
Link: https://lore.kernel.org/r/20201026082621.32463-1-galpress@amazon.com


Signed-off-by: Gal Pressman <galpress@amazon.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>