CI: enabling 3/4 sampling rate when running gNB on B210

Signed-off-by: Raphael Defosseux <raphael.defosseux@eurecom.fr>

ci-scripts/xml_files/fr1_multi_node_test.xml

@@ -46,8 +46,8 @@
 
 	<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</Initialize_eNB_args>
+		<desc>Initialize gNB (3/4 sampling rate)</desc>
+		<Initialize_eNB_args>-O ci-scripts/conf_files/gnb.band78.tm1.fr1.106PRB.usrpb210.conf -E</Initialize_eNB_args>
 		<eNB_instance>1</eNB_instance>
 		<eNB_serverId>1</eNB_serverId>
 		<air_interface>nr</air_interface>