IB/hfi1: Fix spelling mistake "enought" -> "enough"

There is a spelling mistake in an error message. Fix it.

Link: https://lore.kernel.org/r/20200528110709.400935-1-colin.king@canonical.com


Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>