Add support for custom required privileges (#14284)

* Add required privilege support

Until Ember has support for providing custom required privileges,
use a simple implementation to provide that functionality.

* Address minor review comments

* Add required privilege support

Until Ember has support for providing custom required privileges,
use a simple implementation to provide that functionality.

* Address minor review comments

* Refactor

- move class from src/access to src/app
- remove config flags

* More refactoring

* Fix merge

Merge brought back these config flags which I had removed.

* More merge fix

These files were moved.
diff --git a/src/app/RequiredPrivilege.h b/src/app/RequiredPrivilege.h
new file mode 100644
index 0000000..ff2fec0e
--- /dev/null
+++ b/src/app/RequiredPrivilege.h
@@ -0,0 +1,47 @@
+/*
+ *
+ *    Copyright (c) 2022 Project CHIP Authors
+ *    All rights reserved.
+ *
+ *    Licensed under the Apache License, Version 2.0 (the "License");
+ *    you may not use this file except in compliance with the License.
+ *    You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *    Unless required by applicable law or agreed to in writing, software
+ *    distributed under the License is distributed on an "AS IS" BASIS,
+ *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *    See the License for the specific language governing permissions and
+ *    limitations under the License.
+ */
+
+#pragma once
+
+#include "ConcreteAttributePath.h"
+#include "ConcreteCommandPath.h"
+#include "ConcreteEventPath.h"
+
+#include <access/Privilege.h>
+
+#include <lib/core/CHIPCore.h>
+#include <lib/core/DataModelTypes.h>
+
+namespace chip {
+namespace app {
+
+// This functionality is intended to come from Ember, but until Ember supports it,
+// this class will provide a workable alternative.
+class RequiredPrivilege
+{
+    using Privilege = Access::Privilege;
+
+public:
+    static Privilege ForReadAttribute(const ConcreteAttributePath & path);
+    static Privilege ForWriteAttribute(const ConcreteAttributePath & path);
+    static Privilege ForInvokeCommand(const ConcreteCommandPath & path);
+    static Privilege ForReadEvent(const ConcreteEventPath & path);
+};
+
+} // namespace app
+} // namespace chip