feat(examples): Add support for lwip build under linux

common_components/linux_compat/esp_timer/include/esp_timer.h

@@ -0,0 +1,36 @@
+/*
+ * SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+#pragma once
+
+#include <stdbool.h>
+#include <stdint.h>
+#include "bsd/string.h"
+
+typedef struct esp_timer *esp_timer_handle_t;
+
+typedef void (*esp_timer_cb_t)(void *arg);
+
+typedef enum {
+    ESP_TIMER_TASK,
+} esp_timer_dispatch_t;
+
+typedef struct {
+    esp_timer_cb_t callback;        //!< Function to call when timer expires
+    void *arg;                      //!< Argument to pass to the callback
+    esp_timer_dispatch_t dispatch_method;   //!< Call the callback from task or from ISR
+    const char *name;               //!< Timer name, used in esp_timer_dump function
+    bool skip_unhandled_events;     //!< Skip unhandled events for periodic timers
+} esp_timer_create_args_t;
+
+esp_err_t esp_timer_create(const esp_timer_create_args_t *create_args,
+                           esp_timer_handle_t *out_handle);
+esp_err_t esp_timer_start_periodic(esp_timer_handle_t timer, uint64_t period);
+
+esp_err_t esp_timer_stop(esp_timer_handle_t timer);
+
+esp_err_t esp_timer_delete(esp_timer_handle_t timer);
+
+int64_t esp_timer_get_time(void);