install: opensuse: support for zypper package manager
install: opensuse: support for zypper package manager

Signed-off-by: Ricardo Dias <11c46bd7f328288c9461735ad523da4b6922830e@suse.com>

ceph/teuthology,dmick/teuthology,SUSE/teuthology,dmick/teuthology,ktdreyer/teuthology,ktdreyer/teuthology,ceph/teuthology,SUSE/teuthology,SUSE/teuthology,dmick/teuthology