tentative to fix 2x b200 plugged on the same server

ci-scripts/conf_files/gnb.band78.tm1.fr1.106PRB.usrpb210.conf

@@ -250,6 +250,7 @@ RUs = (
     max_pdschReferenceSignalPower = -27;
     max_rxgain     = 111;
     eNB_instances  = [0];
+    sdr_addrs = "serial=30C51D4"
 #    clock_src      = "external";
   }
 );  

ci-scripts/xml_files/fr1_nsa_quectel.xml

@@ -73,7 +73,7 @@
 	<testCase id="040000">
 		<class>Initialize_eNB</class>
 		<desc>Initialize gNB</desc>
-		<Initialize_eNB_args>-O ci-scripts/conf_files/gnb.band78.tm1.fr1.106PRB.usrpb210.conf -E -q --usrp-args "serial=30C51D4"</Initialize_eNB_args>
+		<Initialize_eNB_args>-O ci-scripts/conf_files/gnb.band78.tm1.fr1.106PRB.usrpb210.conf -E -q</Initialize_eNB_args>
 		<eNB_instance>1</eNB_instance>
 		<eNB_serverId>1</eNB_serverId>
 		<air_interface>nr</air_interface>