"netapp_root_volume_name" is a deprecated
reference to "netapp_root_volume" and the
fallback path is being removed [1]
[1] https://review.opendev.org/745206/
Signed-off-by: Goutham Pacha Ravi <gouthampravi@gmail.com>
Change-Id: I3891e8278c5b4a08d1baf435adede425498c3652