intraenb-intrafreq-ho.conf: add eNB to cell config

make sure to have the right eNB that matches the
cells neighbor ECIDs, otherwise the eNB may trigger
a S1 HO if the eNB ID is set elsewhere

Change-Id: Id494ac1984846e78a6456bb6a17e72d63c9dacf5
diff --git a/sysmocom/scenarios/mod-enb-cells-intraenb-intrafreq-ho.conf b/sysmocom/scenarios/mod-enb-cells-intraenb-intrafreq-ho.conf
index 8b6f569..f4223a5 100644
--- a/sysmocom/scenarios/mod-enb-cells-intraenb-intrafreq-ho.conf
+++ b/sysmocom/scenarios/mod-enb-cells-intraenb-intrafreq-ho.conf
@@ -1,7 +1,9 @@
 # Cell config for Intra eNB HO, two cells on same frequencey (same EARFCN) on different RF ports (srsENB)
 modifiers:
   enb:
-  - cell_list:
+  - id: 0x19B
+    enable_measurements: true
+    cell_list:
     - cell_id: 0x01
       pci: 0x01
       tac: 0x0007