- use new vpp ref build: 17.01-rc0~226-gd7cb1b5~b1562_amd64
- build tested by semiweekly job:
https://jenkins.fd.io/job/csit-vpp-verify-master-semiweekly/1063/
Change-Id: I8e11c750dff6d54fe4e21b9686e464a7e6e1c312 Signed-off-by: Jan Gelety <jgelety@cisco.com>