tests: use port 7111 for osd-copy-from.sh

Because port 7110 is already used by mkfs.sh

Signed-off-by: Loic Dachary <ldachary@redhat.com>
Merge pull request #3235 from dachary/wip-10410-port-7110

tests: use port 7111 for osd-copy-from.sh

Reviewed-by: Sage Weil <sage@redhat.com>