testing: Converted tnc scenarios to swanctl

testing/tests/tnc/tnccs-20-fhh/hosts/dave/etc/strongswan.conf

@@ -1,7 +1,24 @@
 # /etc/strongswan.conf - strongSwan configuration file
 
 charon {
-  load = aes des sha1 sha2 md5 pem pkcs1 gmp random nonce x509 curl revocation hmac stroke kernel-netlink socket-default eap-identity eap-md5 eap-ttls eap-tnc tnc-imc tnc-tnccs tnccs-20 updown
+  load = random nonce aes sha1 sha2 md5 pem pkcs1 gmp hmac x509 revocation curl vici kernel-netlink socket-default eap-identity eap-md5 eap-ttls eap-tnc tnc-imc tnc-tnccs tnccs-20 updown
 
   multiple_authentication = no
+  start-scripts {
+    creds = /usr/local/sbin/swanctl --load-creds 
+    conns = /usr/local/sbin/swanctl --load-conns
+  }
+  syslog {
+    auth {
+      default = 0
+    }
+    daemon {
+      tnc = 3
+      imc = 2 
+    }
+  }
+}
+
+libtls {
+  suites = TLS_DHE_RSA_WITH_AES_128_CBC_SHA256
 }