auto-t: use stand alone radius server for testFT-FILS-SHA384

This fixes the test with recent hostapd versions

autotests/testFT-FILS-SHA384/ft-eap-ccmp-1.conf

@@ -12,16 +12,9 @@ wpa=2
 wpa_key_mgmt=FT-EAP FILS-SHA384 FT-FILS-SHA384
 wpa_pairwise=CCMP
 ieee8021x=1
-eap_server=0
-eap_server_erp=1
-erp_domain=example.com
+
 fils_realm=example.com
-#eap_user_file=/tmp/certs/eap-user-tls.text
-eap_user_file=/tmp/pwd.eap_user
-pwd_group=19
-#ca_cert=/tmp/certs/cert-ca.pem
-#server_cert=/tmp/certs/cert-server.pem
-#private_key=/tmp/certs/cert-server-key.pem
+
 wpa_ptk_rekey=30
 wpa_group_rekey=80
 ieee80211w=1
@@ -43,9 +36,6 @@ ap_table_expiration_time=36000
 ap_table_max_size=10
 rrm_neighbor_report=1
 
-radius_server_clients=/tmp/certs/radius-clients.text
-radius_server_auth_port=1812
-
 auth_server_addr=127.0.0.1
 auth_server_port=1812
 auth_server_shared_secret=secret

autotests/testFT-FILS-SHA384/ft-eap-ccmp-2.conf

@@ -12,16 +12,9 @@ wpa=2
 wpa_key_mgmt=FT-FILS-SHA384
 wpa_pairwise=CCMP
 ieee8021x=1
-eap_server=0
-eap_server_erp=1
-erp_domain=example.com
+
 fils_realm=example.com
-#eap_user_file=/tmp/certs/eap-user-tls.text
-eap_user_file=/tmp/pwd.eap_user
-pwd_group=19
-#ca_cert=/tmp/certs/cert-ca.pem
-#server_cert=/tmp/certs/cert-server.pem
-#private_key=/tmp/certs/cert-server-key.pem
+
 wpa_ptk_rekey=30
 wpa_group_rekey=80
 ieee80211w=1

autotests/testFT-FILS-SHA384/hw.conf

@@ -7,3 +7,4 @@ iwd_config_dir=/tmp
 [HOSTAPD]
 rad0=ft-eap-ccmp-1.conf
 rad1=ft-eap-ccmp-2.conf
+radius_server=radius.conf

autotests/testFT-FILS-SHA384/radius.conf

@@ -0,0 +1,15 @@
+driver=none
+radius_server_clients=/tmp/certs/radius-clients.text
+radius_server_auth_port=1812
+eap_user_file=/tmp/pwd.eap_user
+eap_server=0
+eap_server_erp=1
+
+erp_send_reauth_start=1
+erp_domain=example.com
+fils_realm=example.com
+disable_pmksa_caching=1
+
+pwd_group=19
+wpa_group_rekey=30
+wpa_ptk_rekey=30