Move packer vars file for centos

The new common-packer definitions for centos build on centos-7 and
therefore need a properly named vars file

Change-Id: I0e7785650b11d96658a7f09ef6b59c192095d6cb
Issue-ID: CIMAN-33
Signed-off-by: Andrew Grimberg <agrimberg@linuxfoundation.org>
1 file changed