Remove boost-log link dependency from test/ext/Makefile
Remove boost-log link dependency from test/ext/Makefile

Change-Id: I388526c31c75e6af694b96141497c0c67d8fe310
Signed-off-by: Neale Ranns <7d187a79c6b4bf1b7a865a4d130ff0038bf5d84b@cisco.com>

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