make_test: Add equal-cost multi-path routing tests
make_test: Add equal-cost multi-path routing tests

Jira: CSIT-1181

Change-Id: I78f85cf58696369070314bdf05ae8b3acf2ca84c
Signed-off-by: Jan Gelety <d289963f9597ac8aecbc4abc2a298c7084dafc3d@cisco.com>

chrisy/vpp,vpp-dev/vpp,chrisy/vpp,chrisy/vpp,vpp-dev/vpp,chrisy/vpp,FDio/vpp,chrisy/vpp,vpp-dev/vpp,FDio/vpp,vpp-dev/vpp,chrisy/vpp,vpp-dev/vpp,vpp-dev/vpp,vpp-dev/vpp,chrisy/vpp,FDio/vpp,FDio/vpp,FDio/vpp,chrisy/vpp,FDio/vpp,FDio/vpp,FDio/vpp