testing: Migrated ikev2 scenarios to swanctl

testing/tests/swanctl/rw-eap-ttls-only/hosts/dave/etc/strongswan.conf

@@ -0,0 +1,20 @@
+# /etc/strongswan.conf - strongSwan configuration file
+
+swanctl {
+  load = pem pkcs1 x509 revocation constraints pubkey openssl random
+}
+
+charon-systemd {
+  load = random nonce aes md5 sha1 sha2 pem pkcs1 curve25519 gmp x509 curl revocation hmac gcm vici kernel-netlink socket-default eap-identity eap-md5 eap-ttls updown
+
+  multiple_authentication=no
+  syslog {
+    daemon {
+      tls = 2
+    }
+  }
+}
+
+libtls {
+  suites = TLS_DHE_RSA_WITH_AES_128_GCM_SHA256, TLS_DHE_RSA_WITH_AES_256_GCM_SHA384
+}