feat(esp32_p4_function_ev_board): add example of wifi connection

bsp/esp32_p4_function_ev_board/examples/wifi_connection/CMakeLists.txt

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+# The following five lines of boilerplate have to be in your project's
+# CMakeLists in this exact order for cmake to work correctly
+cmake_minimum_required(VERSION 3.16)
+
+include($ENV{IDF_PATH}/tools/cmake/project.cmake)
+set(COMPONENTS main)
+project(wifi_connection)

bsp/esp32_p4_function_ev_board/examples/wifi_connection/README.md

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+# ESP32-P4 Function Evaluation Board Wi-Fi Connection Example
+
+This example demonstrates how to connect to a Wi-Fi network using the ESP32-P4 Function Evaluation Board, utilizing the on-board ESP32-C6 module for connectivity.
+
+## How to use example
+
+### Hardware Required
+
+This example runs on the ESP32-P4 Function Evaluation Board (v1.1 or later).
+
+### Configure the project
+
+Run `idf.py menuconfig` and set the Wi-Fi SSID and password in the Example Configuration menu (`CONFIG_EXAMPLE_WIFI_SSID` and `CONFIG_EXAMPLE_WIFI_PASSWORD`).
+
+### Build and Flash
+
+Build the project and flash it to the board, then run monitor tool to view serial output:
+
+```shell
+idf.py flash monitor
+```
+
+(To exit the serial monitor, type `Ctrl-]`.)
+
+## Troubleshooting
+
+If Wi-Fi connection fails, please check that ESP32-C6 module on the ESP32-P4 Function Evaluation Board is flashed with esp-hosted firmware. See [here](https://github.com/espressif/esp-hosted/blob/feature/esp_as_mcu_host/docs/esp32_p4_function_ev_board.md#52-using-esp-prog) for instructions on how to flash the firmware to ESP32-C6.
+

bsp/esp32_p4_function_ev_board/examples/wifi_connection/main/CMakeLists.txt

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+idf_component_register(SRCS "wifi_example_main.c"
+                    INCLUDE_DIRS ".")

bsp/esp32_p4_function_ev_board/examples/wifi_connection/main/idf_component.yml

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+dependencies:
+  espressif/esp32_p4_function_ev_board:
+    version: "*"
+    override_path: "../../../"
+  espressif/esp_wifi_remote:
+    version: "*"
+  protocol_examples_common:
+    path: "$IDF_PATH/examples/common_components/protocol_examples_common"

bsp/esp32_p4_function_ev_board/examples/wifi_connection/main/wifi_example_main.c

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+#include <stdio.h>
+#include "esp_log.h"
+#include "protocol_examples_common.h"
+#include "nvs_flash.h"
+#include "esp_netif.h"
+#include "esp_event.h"
+
+void app_main(void)
+{
+    ESP_ERROR_CHECK(nvs_flash_init());
+    ESP_ERROR_CHECK(esp_netif_init());
+    ESP_ERROR_CHECK(esp_event_loop_create_default());
+
+    ESP_ERROR_CHECK(example_connect());
+}

bsp/esp32_p4_function_ev_board/examples/wifi_connection/sdkconfig.defaults

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+CONFIG_IDF_TARGET="esp32p4"
+CONFIG_EXAMPLE_CONNECT_WIFI=y
+CONFIG_SLAVE_IDF_TARGET_ESP32C6=y