refactor(tools): Tidy up core component files copyright ignore

Some files that should have their copyrights checked are still placed on the
copyright ignore list.

- These entries have been tidied up
- Copyrights of those files have been updated.

components/unity/include/priv/setjmp.h

@@ -1,3 +1,9 @@
+/*
+ * SPDX-FileCopyrightText: 2024 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 #include_next <setjmp.h>
 #include "esp_debug_helpers.h"
 

components/unity/include/unity_config.h

@@ -1,3 +1,9 @@
+/*
+ * SPDX-FileCopyrightText: 2024 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 #ifndef UNITY_CONFIG_H
 #define UNITY_CONFIG_H
 

components/unity/include/unity_fixture_extras.h

@@ -1,16 +1,8 @@
-// Copyright 2016-2021 Espressif Systems (Shanghai) Co. Ltd.
-//
-// 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.
+/*
+ * SPDX-FileCopyrightText: 2016-2024 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
 
 /* IDF-specific additions to "Unity Fixture".
  * This file doesn't need to be included directly, it gets included into unity.h