[修改] 增加freeRTOS

1. 版本FreeRTOSv202212.01，命名为kernel；

kernel/FreeRTOS-Plus/ThirdParty/wolfSSL/scripts/external.test

@@ -0,0 +1,34 @@
+#!/bin/sh
+
+# external.test
+
+server=www.wolfssl.com
+ca=./certs/wolfssl-website-ca.pem
+
+[ ! -x ./examples/client/client ] && echo -e "\n\nClient doesn't exist" && exit 1
+
+# www.wolfssl.com isn't using RFC 8446 yet but the draft instead.
+./examples/client/client -v 3 2>&1 | grep -- 'Bad SSL version'
+if [ $? -ne 0 ]; then
+
+    # cloudflare seems to change CAs quickly, disabled by default
+    if test -n "$WOLFSSL_EXTERNAL_TEST"; then
+        echo "WOLFSSL_EXTERNAL_TEST set, running test..."
+    else
+        echo "WOLFSSL_EXTERNAL_TEST NOT set, won't run"
+        exit 0
+    fi
+
+    # is our desired server there?
+    ./scripts/ping.test $server 2
+    RESULT=$?
+    [ $RESULT -ne 0 ] && exit 0
+
+    # client test against the server
+    ./examples/client/client -X -C -h $server -p 443 -g -A $ca
+    RESULT=$?
+    [ $RESULT -ne 0 ] && echo -e "\n\nClient connection failed" && exit 1
+
+fi
+
+exit 0