[修改] 增加freeRTOS

1. 版本FreeRTOSv202212.01，命名为kernel；

kernel/tools/aws_config_quick_start/policy.py

@@ -0,0 +1,27 @@
+#!/usr/bin/env python
+
+import boto3
+import json
+
+
+class Policy():
+    def __init__(self, name, policy=''):
+        self.name = name
+        self.policy = policy
+        self.client = boto3.client('iot')
+
+    def create(self):
+        assert not self.exists(), "Policy already exists"
+        self.client.create_policy(policyName=self.name,
+                                  policyDocument=self.policy)
+
+    def delete(self):
+        assert self.exists(), "Policy does not exist, cannot be deleted"
+        self.client.delete_policy(policyName=self.name)
+
+    def exists(self):
+        policies = self.client.list_policies()['policies']
+        for policy in policies:
+            if self.name == policy['policyName']:
+                return True
+        return False