Merge branch 'fix/usb_uac_build_example' into 'master'

fix(usb_uac): fix build problem

See merge request ae_group/esp-iot-solution!1074

Author: lijunru-hub

examples/usb/device/usb_uac/common_components/esp32_p4_function_ev_board/src/bsp_board_extra.c

@@ -6,6 +6,7 @@
 
 #include <stdint.h>
 #include <stdbool.h>
+#include <string.h>
 
 #include "esp_log.h"
 #include "esp_check.h"

examples/usb/device/usb_uac/common_components/esp32_p4_function_ev_board/src/bsp_sub_board.c

@@ -4,6 +4,7 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
+#include <string.h>
 #include "freertos/FreeRTOS.h"
 #include "freertos/task.h"
 #include "freertos/semphr.h"