RDMA/qedr: Fix reported firmware version

RDMA/qedr: Fix reported firmware version

BugLink: https://bugs.launchpad.net/bugs/1852338
[ Upstream commit b806c94ee44e53233b8ce6c92d9078d9781786a5 ]

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: ec72fce401c6 ("qedr: Add support for RoCE HW init")
Signed-off-by: Kamal Heib <kamalheib1@gmail.com>
Acked-by: Michal Kalderon <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>
Signed-off-by: Connor Kuehl <connor.kuehl@canonical.com>
Signed-off-by: Stefan Bader <stefan.bader@canonical.com>