This commit add to GDBstup:

1. Multicore suupor
2. Stepping
3. Console output
4. Update example + readme
5. Jumps

components/esp_gdbstub/include/esp_gdbstub.h

@@ -1,16 +1,8 @@
-// Copyright 2015-2019 Espressif Systems (Shanghai) PTE 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: 2020-2022 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
 
 #pragma once
 
@@ -20,6 +12,7 @@ extern "C" {
 
 void esp_gdbstub_init(void);
 void esp_gdbstub_panic_handler(void *frame);
+void update_breakpoints(void);
 
 #ifdef __cplusplus
 }