crypto-ipsecmb: support previous ipsecmb versions
crypto-ipsecmb: support previous ipsecmb versions

Backward compatibility was broken when updating ipsecmb version to 1.3.

Type: improvement
Signed-off-by: e571cc65a30665d5a9c69d99f1378b796e0bec16@intel.com
Change-Id: I87a76859ec5e2ef6be0bc2af0960fa2494ce4297

chrisy/vpp,chrisy/vpp,chrisy/vpp,chrisy/vpp,FDio/vpp,FDio/vpp,chrisy/vpp,chrisy/vpp,FDio/vpp,FDio/vpp,FDio/vpp,FDio/vpp,FDio/vpp,chrisy/vpp,chrisy/vpp,FDio/vpp