RDMA/qedr: Fix reported firmware version

[ Upstream commit b806c94e ]

Remove spaces from the reported firmware version string.
Actual value:
$ cat /sys/class/infiniband/qedr0/fw_ver
8. 37. 7. 0

Expected value:
$ cat /sys/class/infiniband/qedr0/fw_ver
8.37.7.0

Fixes: ec72fce4

 ("qedr: Add support for RoCE HW init")
Signed-off-by: Kamal Heib <kamalheib1@gmail.com>
Acked-by: Michal <Kalderon &lt;michal.kalderon@marvell.com>
Link: https://lore.kernel.org/r/20191007210730.7173-1-kamalheib1@gmail.com
Signed-off-by: Doug Ledford <dledford@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>