amarisoft_enb.cfg.tmpl: enable eNB PCAP if configured

enable PCAP output in eNB config

Change-Id: I8482315ce854c5b21a90b77de55dbb82f3049bcd
diff --git a/src/osmo_gsm_tester/templates/amarisoft_enb.cfg.tmpl b/src/osmo_gsm_tester/templates/amarisoft_enb.cfg.tmpl
index 64d16f9..155ad47 100644
--- a/src/osmo_gsm_tester/templates/amarisoft_enb.cfg.tmpl
+++ b/src/osmo_gsm_tester/templates/amarisoft_enb.cfg.tmpl
@@ -32,6 +32,10 @@
   log_options: "${enb.log_options}",
   log_filename: "${enb.log_filename}",
 
+% if enb.enable_pcap == 'true':
+  pcap: {filename:"${enb.pcap_filename}"},
+%endif
+
   /* Enable remote API and Web interface */
   com_addr: "${enb.addr}:9001",