Random functions shall be called for each core, otherwise it will hung.

Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>

src/fido/cmd_authenticate.c

@@ -26,7 +26,7 @@
 int cmd_authenticate() {
     CTAP_AUTHENTICATE_REQ *req = (CTAP_AUTHENTICATE_REQ *)apdu.data;
     CTAP_AUTHENTICATE_RESP *resp = (CTAP_AUTHENTICATE_RESP *)res_APDU;
-    if (scan_files() != CCID_OK)
+    if (scan_files(true) != CCID_OK)
         return SW_EXEC_ERROR();
     if (req->keyHandleLen != KEY_HANDLE_LEN)
         return SW_WRONG_DATA();