Add option for scapy path

- For passwordless sudo of specific commands, the full path must be
  specified
- Add path for SRBridging tucson topo file

Change-Id: Ib01ebddd175a3e8da6e30578f9786fd031e086f0
diff --git a/TestON/tests/USECASE/SegmentRouting/SRBridging/SRBridging.topo.0x2.tucson b/TestON/tests/USECASE/SegmentRouting/SRBridging/SRBridging.topo.0x2.tucson
index 0b4791b..0976b83 100644
--- a/TestON/tests/USECASE/SegmentRouting/SRBridging/SRBridging.topo.0x2.tucson
+++ b/TestON/tests/USECASE/SegmentRouting/SRBridging/SRBridging.topo.0x2.tucson
@@ -72,6 +72,7 @@
                 <port1></port1>
                 <link1></link1>
                 <interfaceName>pairbond</interfaceName>
+                <scapy_path>/usr/bin/scapy</scapy_path>
                 <routes>
                     <route1>
                         <network>10.32.11.126</network>
@@ -100,6 +101,7 @@
                 <port1></port1>
                 <link1></link1>
                 <interfaceName>pairbond</interfaceName>
+                <scapy_path>/usr/bin/scapy</scapy_path>
                 <routes>
                     <route1>
                         <network>10.32.11.126</network>
@@ -128,6 +130,7 @@
                 <port1></port1>
                 <link1></link1>
                 <interfaceName>eno2</interfaceName>
+                <scapy_path>/usr/bin/scapy</scapy_path>
                 <routes>
                     <route1>
                         <network>10.32.11.254</network>
@@ -155,6 +158,7 @@
                 <port1></port1>
                 <link1></link1>
                 <interfaceName>pairbond</interfaceName>
+                <scapy_path>/usr/bin/scapy</scapy_path>
                 <routes>
                     <route1>
                         <network>10.32.11.126</network>