Cleanup: correct cli --volumes-from description
Cleanup: correct cli --volumes-from description

issue #7580 volumes-from comma separated list mentioned this case.

Options like --volumes-from=[] indicate they can be specified multiple times:
docker run -it --rm --volumes-from TEST_DATA --volumes-from TEST_DATA2 ubuntu bash

Signed-off-by: Deshi Xiao <a6828422e36a962f01636678a439534a0cf7c181@redhat.com>

redpanda/cli,cpuguy83/cli,allencloud/cli,docker/cli,redpanda/cli,thaJeztah/cli,riyazdf/cli,ashfall/cli,e11137/cli,dnephin/cli,docker/cli,cpuguy83/cli,allencloud/cli,riyazdf/cli,thaJeztah/cli,Zebrilee/cli,dnephin/cli,e11137/cli,Zebrilee/cli,ashfall/cli