testing: Load kdf plugin in all scenarios that require it

Once we use plugin-provided prf+() these won't work otherwise.

testing/tests/tkm/host2host-initiator/hosts/sun/etc/strongswan.conf

@@ -5,5 +5,5 @@ swanctl {
 }
 
 charon-systemd {
-  load = aes sha1 sha2 pem pkcs1 gmp random nonce x509 curl revocation hmac xcbc vici kernel-netlink socket-default updown
+  load = aes sha1 sha2 pem pkcs1 gmp random nonce x509 curl revocation hmac kdf xcbc vici kernel-netlink socket-default updown
 }

testing/tests/tkm/host2host-responder/hosts/sun/etc/strongswan.conf

@@ -5,5 +5,5 @@ swanctl {
 }
 
 charon-systemd {
-  load = aes sha1 sha2 pem pkcs1 gmp random nonce x509 curl revocation hmac xcbc vici kernel-netlink socket-default updown
+  load = aes sha1 sha2 pem pkcs1 gmp random nonce x509 curl revocation hmac kdf xcbc vici kernel-netlink socket-default updown
 }

testing/tests/tkm/host2host-xfrmproxy/hosts/sun/etc/strongswan.conf

@@ -5,5 +5,5 @@ swanctl {
 }
 
 charon-systemd {
-  load = aes sha1 sha2 pem pkcs1 gmp random nonce x509 curl revocation hmac xcbc vici kernel-netlink socket-default updown
+  load = aes sha1 sha2 pem pkcs1 gmp random nonce x509 curl revocation hmac kdf xcbc vici kernel-netlink socket-default updown
 }

testing/tests/tkm/multiple-clients/hosts/carol/etc/strongswan.conf

@@ -5,5 +5,5 @@ swanctl {
 }
 
 charon-systemd {
-  load = aes sha1 sha2 pem pkcs1 gmp random nonce x509 curl revocation hmac xcbc vici kernel-netlink socket-default updown
+  load = aes sha1 sha2 pem pkcs1 gmp random nonce x509 curl revocation hmac kdf xcbc vici kernel-netlink socket-default updown
 }

testing/tests/tkm/multiple-clients/hosts/dave/etc/strongswan.conf

@@ -5,5 +5,5 @@ swanctl {
 }
 
 charon-systemd {
-  load = aes sha1 sha2 pem pkcs1 gmp random nonce x509 curl revocation hmac xcbc vici kernel-netlink socket-default updown
+  load = aes sha1 sha2 pem pkcs1 gmp random nonce x509 curl revocation hmac kdf xcbc vici kernel-netlink socket-default updown
 }

testing/tests/tkm/net2net-initiator/hosts/sun/etc/strongswan.conf

@@ -5,5 +5,5 @@ swanctl {
 }
 
 charon-systemd {
-  load = aes sha1 sha2 pem pkcs1 gmp random nonce x509 curl revocation hmac xcbc vici kernel-netlink socket-default updown
+  load = aes sha1 sha2 pem pkcs1 gmp random nonce x509 curl revocation hmac kdf xcbc vici kernel-netlink socket-default updown
 }

testing/tests/tkm/net2net-xfrmproxy/hosts/sun/etc/strongswan.conf

@@ -5,5 +5,5 @@ swanctl {
 }
 
 charon-systemd {
-  load = aes sha1 sha2 pem pkcs1 gmp random nonce x509 curl revocation hmac xcbc vici kernel-netlink socket-default updown
+  load = aes sha1 sha2 pem pkcs1 gmp random nonce x509 curl revocation hmac kdf xcbc vici kernel-netlink socket-default updown
 }

testing/tests/tkm/xfrmproxy-expire/hosts/sun/etc/strongswan.conf

@@ -5,5 +5,5 @@ swanctl {
 }
 
 charon-systemd {
-  load = aes sha1 sha2 pem pkcs1 gmp random nonce x509 curl revocation hmac xcbc vici kernel-netlink socket-default updown
+  load = aes sha1 sha2 pem pkcs1 gmp random nonce x509 curl revocation hmac kdf xcbc vici kernel-netlink socket-default updown
 }

testing/tests/tkm/xfrmproxy-rekey/hosts/sun/etc/strongswan.conf

@@ -5,5 +5,5 @@ swanctl {
 }
 
 charon-systemd {
-  load = aes sha1 sha2 pem pkcs1 gmp random nonce x509 curl revocation hmac xcbc vici kernel-netlink socket-default updown
+  load = aes sha1 sha2 pem pkcs1 gmp random nonce x509 curl revocation hmac kdf xcbc vici kernel-netlink socket-default updown
 }